4s, 4p, 4d, 4f: The ten 3d electrons of selenium are not shown because they are not in the outer shell, which is the principal energy level 4. Question 3. 6. B) 6d. How many electrons are in the 4p subshell of a selenium atom? The 2p, 3p, 4p, etc., can each hold six electrons because they each have three orbitals, that can hold two electrons each (3*2=6). There is debate about electron configuration in the middle. However, this rule is justified for elements of second row in the periodic table, which their outermost- shell capacity is 8 electrons. How many electrons can 3 How to figure out how many electrons are in Each shell? Consider the element with the electron configuration [Kr]5s24d7. In the selenium ground-state electron configuration, four electrons of the 4p orbital are located in the 4p x (2), 4p y and 4p z sub-orbitals. 9. As with oxygen or sulfur, selenium needs to gain only 2 electrons to fill its 4p orbital to capacity. B) None of the above 11) Which of the following elements is found as a diatomie species in its most stable form? The n number determines that how many of the subshells make up the shell. Lewis structures for the elements in the first three periods and Group 2 of the periodic table are shown in Table 5.5. Thus selenium is in Period 4 (electrons are in the 4s and 4p orbitals), and belongs to Group 16 (number of electrons in the configuration beyond the preceding rare gas = 10 + 2 + 4 = 16). How many electrons are in the 4p subshell of selenium? For example, the 1st shell is made up of 1 subshell, s. It can therefore contain only 2 electrons. 144 two electrons in an orbital, then repulsive forces are present; thus, higher energy. A. D) 4f. For example, the 1st shell is made up of 1 subshell, s. It can therefore contain only 2 electrons. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. The chemical symbol for Selenium is Se. Electron configuration of Selenium is [Ar] 3d10 4s2 4p4. Possible oxidation states are +4,6/-2. Dates: Modify . SubShell: Electrons: s: 2: p: 6: d: 10: f: 14 The n number determines how many of the subshells make up the shell. 3) As we mentioned in the previous part, the first 2 outer-shell electrons would occupy the s-subshell of the 4th shell ($4s^2$). Selenium has 34 electrons. It has maximum 32 electrons. Contents. 4p 4d 5s 5p Each blank represents an ORIBITAL which can hold up to TWO electrons "1s" means first shell, "s" subshell. Consider the elements selenium (Z = 34), bromine (Z = 35), and krypton (Z = 36). Worsted cloth made from wool ispointO (a) smooth(b) rough0 (c) hard0 (d) heavy , Write the molecular energy level diagram for carbon molecule.calculate So for value n = 5 and l = 1 ) total no electrons! For example: the 1st shell is consisting of one subshell s. It can consequently include only two electrons. 10. Thus the 3p subshell will contain 6 electrons. The N shell containing 4s, 4d, 4p and 4f, can carry 32 electrons. There are 5 orbitals in the d-subshell, each orbital can carry at most 2 electrons. The fourth energy level of the periodic table includes the 4s 3d and 4p orbitals. 3. The K shell contains a 1s subshell hence it can carry 2 electrons, the L shell has 2s and 2p, and can carry 8 electrons. 4 electrons. [Ar]4s23d104p4 For a total of 34 electrons. Explanation: A 4p orbital, which is part of the p subshell located on the fourth energy level, can hold a maximum of two electrons. five spatial orbitals which can hold electrons in this subshell. Number of electrons in the subshell! The fourth energy level of the periodic table includes the 4s 3d and 4p orbitals. The M shell contains 3s, 3p, and 3d, and can carry 18 electrons. 8 Multiple Choice 2 8 00:09:34 O 4 eBook 0 5 2. [Ar]4s 23d 10 4p 3 is the electron configuration of a(n) [Ar]3d 10 4s 24p 5 shows that the outermost electrons are in the s and p orbitals in the 4th energy level making the principal quantum number = 4. The simple answer: The elements will lie in the s, p, d or f block will completely depend upon the subshell in which the last electron will enter. Selenium is a member of the sulfur family with elements including tellurium and polonium. 5. There is only one electron in the 4p subshell. B) 4p5. 4. 1 electron . how many electrons can be fit which n=3,l=1 . It has maximum 8 electrons. Valence electrons: For main group elements (i.e s-block and p-block elements), the valence electrons are the electrons present in the outermost orbit. Molecular Weight: 78.97. 1 Structures Expand this section. The s-subshell accommodates up to 2 electrons; p-subshell: 6; d-subshell contains 10 while f does not have any restrictions in this regard accommodating 14 total or two less than its maximum occupancy capacity as given by the formula max =2*(2l+1) . 18

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alternatives An orbital can at most hold how many electrons? Number of electrons in the subshell! Or J = L+S.occ.no.= 2J +1 So 4F has two J values J=L+S or L-S, so either 7/2 or 5/2 So elect.no. How many 4p electrons are in arsenic? Name two elements in which the valence electrons are in a psubshell. 10. Aluminum has THREE valence electrons. Diatomic refers to atoms which bond to an identical atom when at By looking at the electron configuration of selenium, it is possible to determine how many electrons are in each sub-shell. There are five sub-shells, but only four of them are used by naturally occurring elements: s, p, d and f. In long form- Electronic configuration of Germanium Ge: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 2. Just as oxygen and sulfur anions (ions that have gained electrons) have a 2- charge, so too does selenium, which forms a selenide ion. You may find it easier to just remember: Therefore you have 7 How many electrons are in the 4p orbitals of selenium? Be = 1s 2 2s 2 Write electron configurations in line notation for H, He and Li. How many electrons can have the quantum A) 7s. The next largest atom, beryllium, has 4 electrons, so its electron configuration is 1s 2 2s 2. 4. true false true false true false true false true false n: 2 How many electrons are in the 4p orbitals of selenium? All the possible subshells for values of n up to 4 are tabulated below. D. an actinide element. Selenium. 4s-4p band overlap allows calcium to behave as a conductor. Then, the electrons would occupy the d-subshell of the 3rd shell. However, the 1st inside that (column 17) of the Periodic Table has 1 empty subshell-p position. E. a noble gas. And, you can also find out the shape of the atomic orbital using this quantum number. It indicates the subshell of the electron. Krypton. Because lithium's final electron goes into the 2s subshell, we write the electron configuration of a lithium atom as 1s 2 2s 1. (NOTE: at this point, the d-electrons are no longer valence electrons and are not used in bonding.) It is explained below According to the Aafbau Principle electrons fill the subshells in order of their increasing energy level. It has maximum 72 electrons. the third shell, which can hold as many as 18 electrons. 40) The element with the electron configuration given below is ________. This makes option (d) the correct choice. When n=3, It is third shell are M shell. general-chemistry; Answer: B. Valence electrons: For main group elements (i.e s-block and p-block elements), the valence electrons are the electrons present in the outermost orbit. Answer (1 of 2): The Right End column is noble gases, and subshell-p is full. The electronic configuration (electron configuration) given in subshell notation indicates how many electrons are in the subshell of each shell (in the energy sublevels of each energy level) Example of a subshell electronic configuration: 1s 2 2s 2 2p 4 2 electrons in the 1s subshell, 2 electrons in the 2s subshell, 4 electrons This family has six electrons in the outermost shell. When n=6, it is P shell which are sixth shell. The 2s subshell holds a maximum of 2 electrons, and the 2p subshell holds a maximum of 6 electrons. Valence electrons are the ones in the outermost SHELL, not just the last subshell. Which two electron configurations represent elements that would have similar chemical properties? of 2 electrons, the third electron must go into the second shell.Beside above, how many electrons are in the 4th Shell? How many electrons can fit in the orbital for which n = 3 and l = 1? 1 electron. B. a transition metal . Sub-shells s, p, d and f hold a maximum of two, six, 10 and 14 electrons, respectively. A total of 18 electrons can be placed in the 3 shell. Given its position on the periodic table, selenium is usually classified as a non-metal or metalloid. Selenium specifically has an electron configuration of 2-8-18-6. The 2nd shell is made up of 2 subshells, s and p. It can therefore contain 2+6=8 electrons. answer choices . Argon. The electron configuration of Selenium is [Ar] 3d 10 4s 2 4p 4. In short form- Germanium Electron configuration: [Ar] 4s 2 3d 10 4p 2. 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). In fact, any orbital, regardless of its energy level, subshell, and orientation, can hold a maximum of two electrons, one A neutral atom of an element has 2 electrons with n=1, 8 electrons with n=2, and 5 electrons with n=3. There are five sub-shells, but only four of them are used by naturally occurring elements: s, p, d and f. Each sub-shell accommodates a certain number of electrons. e.g. How many electrons can be placed into the 2s subshell? px, py, pz. Write its electron configuration and find: A) atomic number B) total number of s electrons C) total number p electrons D) total . The six electrons in the outermost shell allow selenium to have a variety of valence numbers. Its Lewis structure is . So the last electron of selenium enters the p-subshell or p-orbital. answer choices . 2020-11-13 by Nick Connor Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. 5, paramagnetic (odd numbers are always paramagnetic) Write the ground-state electron configuration for S2-. Therefore, a p-subshell can contain maximum (2*3) = 6 number of electrons. In long form- Electronic configuration of Germanium Ge: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 2. 6. Electron Configuration and Oxidation States of Selenium Electron configuration of Selenium is [Ar] 3d10 4s2 4p4. Then for oxygen atom having atomic no 8 4p 4d 5s 5p Each blank represents an ORIBITAL which can hold up to TWO electrons "1s" means first shell, "s" subshell. When n=4, it is N shell which are fourth shell. If l = 2 and ml = 2, give all the allowed combinations of the four quantum numbers (n, l, ml, ms) for electrons in the corresponding 3d subshell. The 2nd shell is made up of 2 subshells, s and p. It can therefore contain 2+6=8 electrons. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 1 A) Sc B) Si C) La D) Y 41) Which of the following electron configurations is 9. In their part of the periodic table, the sub shells of the electronic states are filled in the sequence Is 2s 2P 3s 3p 3d 4s 4p What are (a) the highest occupied subshell for selenium and (b) the number of electrons in it, (c) the highest occupied subshell for It has maximum 50 electrons. potassium (Z=19) has one electron positioned in the 4s subshell: calcium (Z=20) has two electrons located in the 4s subshell: With an atom of calcium, the 4s subshell is now full of electrons. Do you understand this? Answer: For F, L= 3 orbital angular momentum= n-1 where n is 4 , the principal quantum number.g So its occupation number is 2(2L+1)=14 elevtrons. A) 2 B) 5 C)o D) 4 E) 6 Christopher P. Arsenic has 5 valence electrons. 4s 2 3d 10 4p 6. answer choices . The core notation for selenium is [Ar]3d 10 4s 2 4p 4. The chemical symbol for Selenium is Se. In other words, $2+8+8=18$ electrons are inner-shell ones). 2 Names and Identifiers Expand this section. Since each of those p orbitals can hold a maximum of two electrons, the p subshell can hold a maximum of 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. The 2nd shell is made up of two subshells, s and p. It can consequently comprise 2+6=8 electrons. In an investigation of the electronic absorption spectrum of a particular element, it is found that a photon having = 500 nm provides just enough energy to promote an electron from n = 2 to n = 3. how many electrons can be fit which n=3,l=1 . in Chemistry. 4p: 3: 6: 4: 2: 2,1,0,-1,-2: 4d: 5: 10: 4: 3: is added to each of the degenerate orbitals in a subshell before two electrons are added to any orbital in the subshell. Click to see full answer. 1s2 B. 31. 2) Give all possible sets The number of electrons per shell of selenium is 2, 8, 18, 6. 2. 3 electrons. When n=5, it is O shell which are fifth shell. The p-orbital has three sub-orbitals. How many orbitals does each subshell contain? An atom of boron (atomic number 5) contains five electrons. The ground state electron configuration of ground state gaseous neutral selenium is [Ar].3d 10.4s 2.4p 4 and the term symbol is 3 P 2. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure.The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Chemistry. 3 Chemical and Physical Properties Expand this section. 4 physics. The total amount of electrons that it takes to fill a p subshell are electrons. 2. 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 . 11) A) phosphorus B) bromine C) xenon D) sulfur E) neon 12) 12) How many electrons are in the 4p subshell of selenium? Selenium atoms have 34 electrons and the shell structure is 2.8.18.6. The 4p orbital holds 6 electrons. Step 8: add electrons to the 4p subshell (maximum of 6 electrons), when this is full, go to step 9. etc You can use the Aufbau principle to correctly predict the electronic configuration of the atoms of most elements.