So electronic configuration of selenium define as: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 3d10 4p 4. Heres how you can draw the orbital diagram of selenium step by step. Scientist Niels Bohr was the first to give an idea of the atoms orbit. 1s is the closest and lowest energy orbital to the nucleus. The atomic number of selenium represents the total number of electrons of selenium. python csv delete row if contains - tramhuonghg.com Selenium Find a) highest energy level b) inner-energy levels c) unpaired electrons present d) pairs of electrons present e) filled orbitals present f) unfilled orbitals present g) empty orbitals present h) the charge of selenium when it is stable 2 See answers Then next ten electrons will enter the 4d orbital. The d subshell can hold a maximum of 10 electrons. The second orbit is now full. The 3p orbital is now full. Which of the following does not have valence electron in3d-subshell? Which one of the following ions will be smallest in size? Bulk update symbol size units from mm to map units in rule-based symbology. Hydrogen's electron configuration is 1s1, as shown below: The atomic number of oxygen is 8, which means that each oxygen atom contains 8 electrons. However, the electron can exist in spin up (ms = +1/2) or with spin down (ms = -1/2) configurations. The energy of an orbital is calculated from the value of the principal quantum number n and the azimuthal quantum number l. This means that the 1s, 2s, 3s, 4s, etc., can each hold two electrons because they each have only one orbital. Therefore, the maximum electron holding capacity in the first shell is two, the second shell is eight and the 3rd shell can have a maximum of eighteen electrons. As you can see, the periodic table shown in Figure 2.6.3 provides a simple way to remember the order of filling the subshells in determining the electron configuration. Your email address will not be published. how many electrons in an atom can have each of the following quantum number or sublevel designations? For n=3, l has the values: 0,1 and 2. So, the next six electrons enter the 4p orbital. Which orbital would the electrons fill first? I am in high school so please try to simplify your answer and use fairly basic terms. rev2023.3.3.43278. As shown in Table 1, the s subshell has one lobe, the p subshell has three lobes, the d subshell has five lobes, and the f subshell has seven lobes. l = 2. This is the final orbital diagram of selenium as we have used all 34 electrons. To create an orbital diagram of an atom, you first need to know Hunds principle and Paulis exclusion principle. The oxidation state of the element changes depending on the bond formation. For example, in the dyx orbital, there are nodes on planes xz and yz. Radial nodes are spheres (at fixed radius) that occurs as the principal quantum number increases. For example the s subshell can hold a total of 2 electrons. Aufbau is a German word, which means building up. The p-subshell has three orbitals. Is it possible to create a concave light? This would mean 2 electrons could fit in the first shell, 8 could fit in the second shell, 18 in the third shell, and 32 in the fourth shell. Atoms contain electrons, and they are arranged, based on different rules, in various available orbitals. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 5. So, the electron will enter the 4s orbital first and enter the 3d orbital when the 4s orbital is full. The 3d orbital is now full. There's an important distinction between "the number of electrons possible in a shell" and "the number of valence electrons possible for a period of elements". The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. As: 4s 2 4p 3, S: 3s 2 3p 4; Mo: 4s 2 4p 6 4d 5 5s 1; V: 3s 2 3p 6 3d 3 4s 2; and W: 5s 2 5p 6 5d 4 6s 2; these electrons were assigned to the valence space. This configuration is also written as [Ar] 4s23d104p4, according to Dr. Anne Marie Helmenstine, a contributor to About.com. Learn more about Stack Overflow the company, and our products. 3. The first two electrons of selenium enter the 1s orbital. In terms of quantum numbers, electrons in different shells will have different values of principal quantum number n. So another kind of orbitals (s, p, d, f) becomes available as we go to a shell with higher n. The number in front of the letter signifies which shell the orbital(s) are in. The elements in Group 2A are known by what name? 1 N n. 8 3 4 1A BA 1 H PERIODIC TABLE OF THE ELEMENTS 2 He 1.000 2A 3A 4A 5A 6A 7A 4.003 4 5 6 7 8 o 10 Be B N F Ne 6941 9.012 10.81 1201 14.01 16.00 19.00 20.18 12 13 14 15 16 17 18 Na Mg AI SI P S a Ar 22.99 24.31 26.98 28.09 30.97 32.07 36.45 32.95 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 K Ca SC TI V Cr Mn Fe NI Zn Ga GE AS Se Br Kr 30.10 40.00 44.96 47.87 50.94 52.00 54.94 55.85 58.93 58.60 63.55 65.30 69.72 7261 74.92 78.96 79.90 83.80 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo TC Ru Rh Pd Ag Cd In Sn Sb Te 1 Xe 85.47 87.62 88.91 91.22 82.91 95.94 (98) 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.76 127.60 126.30 131.29 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 36 CS Ba La Hf Ta w Re Os Ir Pt Au Hg TI Pb BI At Rn 132.91 137.39 136.91 178.49 180.95 183.84 185 21 190 23 192.22 196.08 156.97 200.59 204.38 207.19200.98 (209) (210) 87 88 89 104 105 106 107 108 109 110 111 112 113 114 115 116 Fr Ra Rf Db Sg Bh Hs Mt Ds Rg FeF2004 Feb 2018 (226) (261) (206) (267) (208) (271) (280) (285) (284) (289 (288) (280) 7 58 Ge 59 Pr 60 Nd 61 Pm 62 Sm 63 Fu 64 ca B5 Th 66 Dy 67 Ho 68 Fr 69 Tim 70 Yb LU. For the second shell, $n=2$, so the allowed values of $\ell$ are: $\ell=0$, which is the $s$ subshell, and $\ell=1$, which is the $p$ subshell. Orbitals that have the same or identical energy levels are referred to as degenerate. Before drawing the orbital diagram, you should know the three general rules. Ans. This is called quantum jump. Which subshell can hold the greatest number of electrons? As mentioned above, the electron configuration of selenium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4. The d subshell has 5 orbitals and thus can accommodate a maximum of 10 electrons. how many electrons are in the 4p subshell of selenium? How many electrons do the 4p subshells hold? - Answers An extended periodic table theorises about chemical elements beyond those currently known in the periodic table and proven. Answer and Explanation: 1 Become a Study.com member to unlock this answer! Chlorine has an atomic number of 17, implying that a chlorine atom has 17 electrons. Thus the $d$ subshell has five orbitals. So draw two arrows in the 1s box showing two electrons as follows: 2s2 indicates that the 2s subshell has 2 electrons. IfA0 5. Using Kolmogorov complexity to measure difficulty of problems? According to Hund's principle, the first electron will enter in the clockwise direction and the next electron will enter the 1s orbital in the anti-clockwise direction. What subshells are possible in n=3 energy level? 8 c. 6 d. 2 e. 10; What is the l quantum number for a 4p orbital? This pattern will give you the correct configuration for all but about 19 elements. Subshell labels are used to write down an atom's electron configuration. Define Pauli Exclusion Principle. Write the ground state electron configuration for Ca2+ . The atomic number of selenium is 34. It also aids in the categorization of elements into various blocks (such as the s-block elements, the p-block elements, the d-block elements, and the f-block elements). The number of radial and angular nodes can only be calculated if the principal quantum number, type of orbital (s,p,d,f), and the plane that the orbital is resting on (x,y,z, xy, etc.) As a result, a hydrogen atom contains one electron, which is assigned to the s subshell of the first shell/orbit. violet. The total number of nodes present in this orbital is equal to n-1. best union jobs in illinois; how to connect kindle to wifi hotspot; wood & fire neapolitan style pizza menu; leo venus and scorpio venus compatibility electron configuration 7 a in the orbital diagram for oxygen in model 2 how many electrons are . How to handle a hobby that makes income in US. Required fields are marked *. 6. In fact, any orbital, regardless of its energy level, subshell, and orientation, can hold a maximum of two electrons, one having spin-up and one having spin-down. For $\ell=1$, $m_\ell$ has three possible values: $m_\ell=-1,0,+1$. The elements that have 5, 6, or 7 electrons in the last shell receive the electrons in the last shell during bond formation. Using indicator constraint with two variables, Doesn't analytically integrate sensibly let alone correctly. More specifically, you will have ml = 1 one electron in the 5px orbital The stability provided by half-filled or completely filled subshells can sometimes explain these exceptions. So three subshells s, p and d are possible at n=3 energy level. After the 3d sublevel is filled, additional electrons will occupy the 4p orbitals, for a total of 6 electrons in the 4p sublevel. (2 marks). (2 marks). Here, selenium has four unpaired electrons. Selenium Electron Configuration (Se) with Orbital Diagram This means there there must be two radial nodes. The orbitals are dxy, dyz, dzx, dx2-y2and dz2and each orbital can have a maximum of two electrons. Now 1s2 indicates that the 1s subshell has 2 electrons. What are the maximum number of electrons in each shell? Second, find highest energy level in electron configuration. Ap Chemistry, 2014-2015 Edition [PDF] [it0c02af2to0] - vdoc.pub Thus the $s$ subshell has only 1 orbital. For the values of l, 0 corresponds to the s subshell, 1 corresponds to the p subshell, 2 corresponds to d, and 3 corresponds to f. Each subshell is divided into orbitals, and these orbitals have . The quantum number determines the number of angular nodes in an orbital. How many orbitals are there in the 4p subshell? The energy of an orbital is calculated by adding the principal and azimuthal quantum numbers. He provided a model of the atom in 1913. Or The Aufbau principle is that the electrons present in the atom will first complete the lowest energy orbital and then gradually continue to complete the higher energy orbital. Electron configurations help determine an atom's valence electrons, which provides insight into its chemical behaviour. Atomic electron configurations follow a standard notation in which all electrons containing atomic subshells are placed in a sequence (with the number of electrons they hold written in superscript). What are the number of sub-levels and electrons for the first four principal quantum numbers? The 3p orbital is now full. So the 7s orbital will be in the 7th shell. 3d 10 4s 2 4p 3: 34: Se: Selenium: p-block [Ar] 3d 10 4s 2 4p 4: 35: Br: Bromine: p . The order of the electron orbital energy levels, starting from least to greatest, is as follows: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p. These sub-energy levels are also called orbital. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The most probable region of electron rotation around the nucleus is called the orbital. How do you write the full electron configuration for selenium?Ans:1s22s22p63s23p63d104s24p4. The 4p subshell is filled next by six electrons (Ga through Kr). (a) Determine the final velocity of the blocks. This article discusses in detail how to easily write the complete electron configuration of selenium. An easy way to visualize this is like this: The pattern of maximum possible electrons = $2n^2$ is correct. The first ionisation potential (in eV) of Be and B, respectively are, Identify the wrong statement in the following, Among the elementsCa,Mg,P and Cl, the order of increasing atomic radii is. What exactly is an element's electron configuration? Selenium Valence Electrons - Learnool There is a formula for obtaining the maximum number of electrons for each shell which is given by $2n^2~\ldots$ where n is the position of a certain shell. And Paulis exclusion principle is that the value of four quantum numbers of two electrons in an atom cannot be the same. However, I was previously taught that the maximum number of electrons in the first orbital is 2, 8 in the second orbital, 8 in the third shell, 18 in the fourth orbital, 18 in the fifth orbital, 32 in the sixth orbital. The sub-energy level s can hold a maximum of two electrons, p can hold a maximum of six electrons, d can hold a maximum of ten electrons, and f can hold a maximum of fourteen electrons. Period 4 element - Wikipedia The fourth shell has 4 subshells: the $s$ subshell, which has 1 orbital with 2 electrons, the $p$ subshell, which has 3 orbitals with 6 electrons, the $d$ subshell, which has 5 orbitals with 10 electrons, and the $f$ subshell, which has 7 orbitals with 14 electrons, for a total of 16 orbitals and 32 electrons. Chem Exam #3 Flashcards | Quizlet The important terms that are related to electron configuration writing are as follows. Selenium Orbital Diagram - Learnool Each orbital can accommodate a maximum of 2 electrons. So in this case, the valency of selenium is 2. Question: How many electrons are in the 4p subshell of selenium? Now in the next step, start drawing the orbital diagram for selenium. These are regions in which there is a 0 probability density of finding electrons. Connect and share knowledge within a single location that is structured and easy to search. 5, paramagnetic (odd numbers are always paramagnetic). If the lobe lies along the xy plane, then it is labeled with a xy such as dxy. The orbital diagram of selenium shows that the 1s subshell has 2 electrons, the 2s subshell has 2 electrons, the 2p subshell has 6 electrons, the 3s subshell has 2 electrons, the 3p subshell has 6 electrons, the 4s subshell has 2 electrons, the 3d subshell has 10 electrons, and the 4p subshell has 4 electrons. For the Nozomi from Shinagawa to Osaka, say on a Saturday afternoon, would tickets/seats typically be available - or would you need to book? The electron configuration of an atom shows how the electrons are arranged in the atoms energy levels. Arrange these solutions in order of decreasing freezing point: (a) 0.10mNa3PO40.10~m\mathrm{~Na}_3 \mathrm{PO}_40.10mNa3PO4, (b) 0.35mNaCl0.35~m\mathrm{~NaCl}0.35mNaCl, (c) 0.20mMgCl20.20~m\mathrm{~MgCl}_20.20mMgCl2, (d) 0.15mC6H12O60.15~m\mathrm{~C}_6 \mathrm{H}_{12} \mathrm{O}_60.15mC6H12O6, (e) 0.15mCH3COOH0.15~m\mathrm{~CH}_3 \mathrm{COOH}0.15mCH3COOH. Electrons can be arranged correctly through orbits from elements 1 to 18. In fact, any orbital, regardless of its energy level, subshell, and orientation, can hold a maximum of two electrons, one having spin-up and one having spin-down. These orbits are expressed by n. [n = 1,2,3,4 . The colors of the visible spectrum are red, orange, yellow, green, blue, and violet. The sub-energy levels are known as s, p, d, and f. Therefore, l = 0,1,2,3,4. Ans. When walking up stairs, you place one foot on the first stair and then another foot on the second stair. Since the atomic number of selenium is 34, the total electrons of selenium are 34. I used to enjoy chemistry from school life. There are two major exceptions to electron configuration: chromium and copper. This quantum number defines the shape of the orbitals (probability densities) that the electrons reside in. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. The 2s or 2p orbital? How Many Unpaired Electrons Does Selenium Have? So, the next three electrons will enter the 4p orbital in the clockwise direction and the remaining one electron will enter the 4p orbital in the anti-clockwise direction. How many electrons can occupy the 4d subshell? Ans. The 2s orbital would be filled before the 2p orbital because orbitals that are lower in energy are filled first. Electron Configuration: Subshell, Electronic Configuration & Filling of Best Fully Loaded Android Tv Box, Air Carrier Operating Certificate, Happy Lunch Containers, Indie Press Revolution, 3m Rocker Panel Coating Black, Situs Address Definition, Windows Remote Assistance Windows 10, Peak Battery Charger Not Charging, Club Wyndham Ownership Levels, Sulfur Corrosion Stainless Steel, Motorcycle Lithium Battery Charger, Farm Production And Conservation Business Center . Hydrogen has an atomic number of one. There are 2 electrons in the 4s subshell and 4 electrons in the 4p subshell. The Group IV and V metals can lose either the electrons from the p subshell, or from both the s and p subshells, thus attaining a pseudo-noble gas configuration. So draw two arrows in the 2s box showing two electrons as follows: 2p6 indicates that the 2p subshell has 6 electrons. For the third shell, $n=3$, so the allowed values of $\ell$ are: $\ell=0$, which is the $s$ subshell, $\ell=1$, which is the $p$ subshell, and $\ell=2$, which is the $d$ subshell. We can write the arrangement of the 3d orbitals as follows. The Group IV - VII non-metals gain electrons until their valence shells are full (8 electrons). A single orbital can only hold 2 electrons, therefore the s subshell has 1 orbital. Sub-shells s, p, d and f hold a maximum of two, six, 10 and 14 electrons, respectively. We've added a "Necessary cookies only" option to the cookie consent popup, Noble gas configuration and valence shell electrons, How to determine the number of electron in a shell. Have you learned about quantum numbers yet? Because each orbital is different, they are assigned specific quantum numbers: 1s, 2s, 2p 3s, 3p,4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p. atom this electron must go into the lowest energy subshell available the 3 s orbital giving a 1 s 2 2 s 2 2 p 6 3 s 1 configuration , referring to figure 2 1 1 draw an orbital diagram to represent those valence orbitals following hunds rule place . The number of atomic orbitals in a d subshell is. 1 N n. 8 3 4 1A BA 1 H PERIODIC TABLE OF THE ELEMENTS 2 He 1.000 2A 3A 4A 5A 6A 7A 4.003 4 5 6 7 8 o 10 Be B N F Ne 6941 9.012 10.81 1201 14.01 16.00 19.00 20.18 12 13 14 15 16 17 18 Na Mg AI SI P S a Ar 22.99 24.31 26.98 28.09 30.97 32.07 36.45 32.95 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 K. What is the charge on the monatomic ion of nitrogen, the nitride ion? Therefore,the p subshell can accommodate a maximum of 6 electrons. How many electrons can the 4p subshell hold for an atom? It has: An s-orbital holds 2 electrons. The electron configuration of selenium ion(Se2-) is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6. Multiple Choice 7. Does chromium have 4 electron shells? That is, the number of electrons in selenium is thirty-four. The orbitals are filled so that the ones of lowest energy are filled first. (Cs, Ga, K, Bi, As), As In the selenium ground-state electron configuration, the last four electrons of the 4p orbital are located in the 4px(2), 4py and 4pz orbitals. Selenium atoms exhibit -2, +2, +4, +6 oxidation states. How many of valence electrons do the element in column. The orbital number of the s-subshell is one, three in the p-subshell, five in the d-subshell and seven in the f-subshell. How Many Orbitals In 4P Theblogy.com Question. Then the next two electrons will enter the 2s orbital just like the 1s orbital. The electrons in the atomic orbitals are filled up according to the following principles. So as there are 3 orbitals so p orbital can occupy at the maximum 6 electrons regardless of principle quantum no.. He has a good conceptual knowledge on different educational topics and he provides the same on this website. How many electrons are in the 4p subshell of selenium? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Each kind of orbital has a different "shape", as you can see on the picture below. There's space for $18 \text{e}^-$ in the 3rd shell: $3s + 3p + 3d = 2 + 6 + 10 = 18$, however, elements in the 3rd period only have up to 8 valence electrons. Thus the $f$ subshell has seven orbitals. For example, the $s$ subshell of any energy level consists of spherical orbitals. What is the difference between your two methods? (2 marks). By looking at the electron configuration of selenium, it is possible to determine how many electrons are in each sub-shell. Given its position on the periodic table, selenium is usually classified as a non-metal or metalloid. Each orbital, as previously mentioned, has its own energy level associated to it. Which element has the following ground state electron - Course Hero The electronic configuration of each element is decided by the Aufbau principle which states that the electrons fill orbitals in order of increasing energy levels. One of the topics of my research is the periodic table. Since each of those #p# orbitals can hold a maximum of two electrons, the #p# subshell can hold a maximum of, #3 color(red)(cancel(color(black)("p orbitals"))) * "2 e"^(-)/(1color(red)(cancel(color(black)("p orbital")))) = "6 e"^(-)#. 12.) The 3d orbital is now full. Electrons are found within the lobes. 1 b. The 3d, 4d etc., can each hold ten electrons, because they each have five orbitals, and each orbital can hold two electrons (5*2=10). par | Juil 3, 2022 | dining in the dark philadelphia 2021 | what does giving neck mean sexually | Juil 3, 2022 | dining in the dark philadelphia 2021 | what does giving neck mean sexually The energy is roughly like this: $$1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s$$. Quantum numbers are parameters in the wave equation that describes each electron. Ques. By convention, the following lowercase letters are used to indicate different subshells. Great Britian: Longman Green & Co., 1961. Hunds rule specifies the order in which electrons are filled in all subshell orbitals. First, we look at the n=1 shell (the first shell). How many electrons are in the 4p subshell of selenium? For example, the electron configuration of Sodiumis 1s22s22p63s1. Within each subshell, electrons are grouped into orbitals, . Create your account View this. How many orbitals in an atom can have in 4p? - Short-Fact Chromium atoms have 24 electrons and 24 protons with the most abundant isotope having 28 neutrons. Write the electronic configuration of Cl- ion. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 1.How many electrons can be put in each of the following: (a) a shell with principal quantum numbern; (b) a subshell with quantum numbersnandl; (c) an orbital; (d) a spin-orbital? According to the Pauli principle , no two electrons in the same atom can have the same 4 quantum numbers 31 . Do really the electrons could only orbit in specific orbits with a fixed radius? 2. The Pauli Exclusion Principle means that no two electrons can share the same quantum numbers. For example, on the first floor we have the s orbital. The 3p orbital is now full. Hunds rulestates that before a second electron is filled in an orbital, every orbital in a given subshell is singly occupied by electrons. The Aufbau principle states that electrons will occupy lower energy orbitals before moving on to higher energy orbitals. These labels include the shell number (given by the principal quantum number), the subshell name (given by the azimuthal quantum number), and the total number of electrons in the subshell in superscript. As is clear, the total number of unpaired electrons = 4. The 2s orbital is lower in energy than the 2p orbital. This principle can be stated another way: "no two electrons in the same atom have the same values for all four quantum numbers." Selenium Electronic orbitals are regions within the atom in which electrons have the highest probability of being found. Describe the structure and function of each type of epithelial tissue. 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p There are no known elements that, in their ground state, have electrons in a subshell beyond 7p. For an electron in a certain rectangular well with a depth of 20.0 eV, the lowest energy lies 3.00 eV above the bottom of the well. How many orbitals are possible at this level? An example is the 2p orbital: 2px has the same energy level as 2py. The way electrons move from one orbital to the next is very similar to walking up a flight of stairs. Each letter is paired with a specific value: An orbital is also described by its magnetic quantum number (m). Therefore at the highest occupied principal energy level of "n = 4" the selenium atom contains: 2 electrons in a filled "4s" subshell. This concept becomes more important when dealing with molecular orbitals. Sub-shell s has two, sub-shell p has six and sub-shell d has 10. A #4p# orbital, which is part of the #p# subshell located on the fourth energy level, can hold a maximum of two electrons. The maximum number of electrons that can be accommodated in a shell (n) is determined by the principal quantum number. The p-orbital can have a maximum of six electrons. [Solved] 12.) Write the abbreviated electron configuration for the How do I align things in the following tabular environment? Which of these species make an isoelectronic pair: Cl-, O2-, F, Ca2+, Fe3+. Which orbitals can be modeled as dumbbell shaped? Also, you should know the number of orbitals in each subshell. Therefore, you can say that a #4p# orbital can hold a maximum of two electrons and the #4p# subshell can hold a maximum of six electrons. Aufbau principle illustrates the order in which electrons are filled in atomic orbitals: Note: It is important to note that the Aufbau principle has many exceptions, such as chromium and copper. We can calculate the number of orbitals in each subshell using the formula: 2 + 1, Where, = azimuthal quantum number of the subshell, For s subshell, = 0For p subshell, = 1For d subshell, = 2For f subshell, = 3. USA: Linus Pauling, 1947. 23606 views The valency of the element is determined by electron configuration in the excited state. This means that the s orbital can contain up to two electrons, the p orbital can contain up to six electrons, the d orbital can contain up to 10 electrons, and the f orbital can contain up to 14 electrons. Print. Predicting a group of elements' properties (elements with similar electron configurations tend to exhibit similar properties). If there are more electrons after the 1s, and 2s orbitals have been filled, each p orbital will be filled with one electron first before two electrons try to reside in the same p orbital.