Because any s subshell can contain only two electrons, the fifth electron must occupy the next energy level, which will be a 2p orbital. C) 4p. Contents. When n=5, it is O shell which are fifth shell. D) 4f. e.g. 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. The 2s subshell holds a maximum of 2 electrons, and the 2p subshell holds a maximum of 6 electrons. And, you can also find out the shape of the atomic orbital using this quantum number. 2 electrons. It means it has 32 electrons. 4p 4d 5s 5p Each blank represents an ORIBITAL which can hold up to TWO electrons "1s" means first shell, "s" subshell. yes the answer is 2, because each orbital regardless of the subshell has a maximum capacity to hold 2 electrons. 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. The following set of quantum numbers How many electrons are in the outermost energy shell for promethium (element 61)? The 4p orbital holds 6 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. All the possible subshells for values of n up to 4 are tabulated below. Name two elements in which the valence electrons are in a psubshell. Because lithium's final electron goes into the 2s subshell, we write the electron configuration of a lithium atom as 1s 2 2s 1. Step-3: Determine the valence shell and calculate the total electrons. Science. 4p 4d 5s 5p Each blank represents an ORIBITAL which can hold up to TWO electrons "1s" means first shell, "s" subshell. is 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 Selenium specifically has an electron configuration of 2-8-18-6. Concerning the electron configuration of sulfur, 1s22s22p63s23p4, which of the following represents the core electrons only? It indicates the subshell of the electron. What is the charge on the monatomic ion of nitrogen, the nitride ion?-3. We can write electronic configuration of germanium in two forms, as below :-. As with oxygen or sulfur, selenium needs to gain only 2 electrons to fill its 4p orbital to capacity. 10. Its Lewis structure is . Five of these isotopes are stable: 74 Se, 76 Se, 77 Se, 78 Se, and 80 Se. 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. That is, the first shell of selenium has two electrons, the second shell has eight electrons, the 3rd shell has eighteen electrons and the 4th shell has six electrons. 3 Chemical and Physical Properties Expand this section. Explanation: A 4p orbital, which is part of the p subshell located on the fourth energy level, can hold a maximum of two electrons. 3. Its Lewis structure is . 4s, 4p, 4d, 4f: 4s 2 3d 10 4p 6. answer choices . Answer (1 of 2): There are two unpaired electrons in an atom of oxygen in it's ground state. answer choices . Since only two electrons fill each orbital, 2(2l+1) electrons fill each subshell. In other words, $2+8+8=18$ electrons are inner-shell ones). The electron in a hydrogen atom with an energy of -0.544 eV is in a subshell with 18 states. D. an actinide element. [Ar]4s23d104p4 For a total of 34 electrons. It is explained below According to the Aafbau Principle electrons fill the subshells in order of their increasing energy level. B. The p-orbital has three sub-orbitals. 2. B) 4p5. Just as oxygen and sulfur anions (ions that have gained electrons) have a 2- charge, so too does selenium, which forms a selenide ion. A. A neutral atom of an element has 2 electrons with n=1, 8 electrons with n=2, and 5 electrons with n=3. 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. Molecular Weight: 78.97. Each sub-orbital can have a maximum of two 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. 1 Structures Expand this section. Consider the elements selenium (Z = 34), bromine (Z = 35), and krypton (Z = 36). Possible oxidation states are +4,6/-2. The fourth energy level has 18 electrons. Recall that the number of orbitals in a subshell is 2l+1. How many electrons can the 4 Shell hold? Selenium is a member of the sulfur family with elements including tellurium and polonium. 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. Therefore, a p-subshell can contain maximum (2*3) = 6 number of electrons. The ten 3d electrons of selenium are not shown because they are not in the outer shell, which is the principal energy level 4. How many electrons are in the 4p orbitals of selenium? The 2nd shell is made up of 2 subshells, s and p. It can therefore contain 2+6=8 electrons. of 2 electrons, the third electron must go into the second shell.Beside above, how many electrons are in the 4th Shell? 4s-4p band overlap allows calcium to behave as a conductor. 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. You may find it easier to just remember: D) 2p1. Write its electron configuration and find: A) atomic number B) total number of s electrons C) total number p electrons D) total . When n=6, it is P shell which are sixth shell. When n=3, It is third shell are M shell. The n number determines that how many of the subshells make up the shell. The fourth energy level of the periodic table includes the 4s 3d and 4p orbitals. Dates: Modify . How many 4p electrons are in arsenic? The electron configuration of Selenium is [Ar] 3d 10 4s 2 4p 4. Given its position on the periodic table, selenium is usually classified as a non-metal or metalloid. Which two electron configurations represent elements that would have similar chemical properties? If p-oritals are filling, then the s-orbitals are already full (add 2 more valence electrons). 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) . Electrons are added to a subshell with the same value of the spin quantum number until each orbital in An atom of boron (atomic number 5) contains five electrons. The nearest noble gas (that comes before selenium) is Argon, so we use it as our core, and place it in brackets. How many electrons can 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 . A total of 18 electrons can be placed in the 3 shell. 1 electron . Chemistry questions and answers. SubShell: Electrons: s: 2: p: 6: d: 10: f: 14 The n number determines how many of the subshells make up the shell. The n = 1 shell is filled with two electrons and three electrons will occupy the n = 2 shell. 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. C. a nonmetal. B) 6d. 4. There is debate about electron configuration in the middle. general-chemistry; Answer: B. 10. 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. Valence electrons are the ones in the outermost SHELL, not just the last subshell. The 4p orbital holds 6 electrons. 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). Aluminum has THREE valence electrons. [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. Argon. The third step is to diagnose the valence shell. How many electrons are in the 4p subshell of selenium? How many orbitals does each subshell contain? The fourth energy level has 18 electrons. It is consisting of maximum 18 electrons. Its electron configuration is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3 . 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 . (NOTE: at this point, the d-electrons are no longer valence electrons and are not used in bonding.) The outermost electron in the element is filled in d orbital. 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. How many orbitals are allowed in a subshell if the angular momentum quantum number for electrons in that subshell is 3? the third shell, which can hold as many as 18 electrons. Then for oxygen atom having atomic no 8 Selenium (34 Se) has six natural isotopes that occur in significant quantities, along with the trace isotope 79 Se, which occurs in minute quantities in uranium ores. In selenium, the first energy level has two electrons in sub-shell s. This family has six electrons in the outermost shell. Valence electrons are the ones in the outermost SHELL, not just the last subshell. 3 How to figure out how many electrons are in Each shell? 14. Diatomic refers to atoms which bond to an identical atom when at It has maximum 50 electrons. There is only one electron in the 4p subshell. Create . It has maximum 72 electrons. B. a transition metal . 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). 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). 9. How many electrons do the 4p subshells hold? 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 Consider the elements selenium (Z = 34), bromine (Z = 35), and krypton (Z = 36). The chemical symbol for Selenium is Se. 9. how many electrons can be fit which n=3,l=1 . Krypton. Be = 1s 2 2s 2 Write electron configurations in line notation for H, He and Li. The 2nd shell is made up of two subshells, s and p. It can consequently comprise 2+6=8 electrons. Selenium atoms have 34 electrons and the shell structure is 2.8.18.6. However, the 1st inside that (column 17) of the Periodic Table has 1 empty subshell-p position. Example: Selenium has a [Ar] 3d 10 4s 2 4p 4 configuration. 31. Number of electrons in the subshell! 40) The element with the electron configuration given below is ________. Sub-shells s, p, d and f hold a maximum of two, six, 10 and 14 electrons, respectively. - Answers The number of electrons per shell of selenium is 2, 8, 18, 6. Click to see full answer. This makes option (d) the correct choice. 5. A) 5s3. Question 3. Chemistry. In long form- Electronic configuration of Germanium Ge: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 2. true false true false true false true false true false n: 2 How many electrons are in the 4p orbitals of selenium? Therefore you have 7 1 electron. In fact, any orbital, regardless of its energy level, subshell, and orientation, can hold a maximum of two electrons, one 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. When n=4, it is N shell which are fourth shell. 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!