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The maximum number of electrons you will find in any shell is 32. Neon has 10 electrons --- 2 in the first shell, and 8 in the second shell (so eight valence electrons). Therefore, the correct electronic configuration of the element potassium (K) is 2,8,8,1. I thought that the 3rd shell could hold a maximum of 18 electrons so why must the other 2 electrons be at the 4th shell? Moving through the elements. 1 0. Electrons are placed into available shells, starting with the lowest energy level. 5 years ago. The first shell only has 1 orbital (n=1 and l=0) and accommodates 2 electrons. Answered by: Anonymous from Kochi Like; Answer: 18. In L we have 2 subshell that is s and p, so maximum number of electrons in L shell is 2+ 6= 8 In M we have 3 subshell that is s, p and d so maximum number of electrons in M shell is 2+6+10. Simonizer1218. Relevance. (6 electrons) Oxygen needs two more electrons to complete its outer "p" subshell! 1 (c) Element X is a non-metal because there are 7 electrons in its outermost orbit. Find an answer to your question Why the M shell in the an atom can only have a maximum have 8 electrons? Why or Why not. If n=3 is out most shell of the atom . Show the electron distribution in magnesium atom and magnesium ion diagrammatically and also give their atomic … The first stable element in the VIII A group ( noble or inert gases) is Helium 1s^2 2 electrons in the first shell 2 electrons total The second stable element in the VIII A group is Neon 1s^2 2s^2 2p^6 8 electrons in the 2nd shell … The presence of 8 electrons in the outermost shell indicates stability of an atom. Up to this point, you have been using a system of 2-8-8 to describe electron shells. Does it need to bond? of electrons = 13 (c) Number of protons = No. This is because of the quantum nature of the atoms, where electrons are organized in shells: the first (named the K shell) has 2 electrons, the second (L-shell) has 8, the third (M shell) has 18. The second shell has 8 electrons and 2 orbitals. The stable state is either having an octet (8) or completely filled state (18) in the outermost shell. Michael9 Michael9 26.02.2018 Chemistry Secondary School answered Why do we take 8 electrons in M shell? Join now. The energy required to transfer an electron from a sodium atom to a chlorine atom (the difference of the 1st ionization energy of sodium and the electron affinity of chlorine) is small: +495.8 … An atom has 2 electrons in K-shell, 8 electrons in L-shell & 8 electrons in M-shell. The next period has 8, so the outer shell holds 8. I won't vote down because Aufbau is consistent with 4s2 3d6, but the 4s electrons present in Iron are actually higher energy than the 3d electrons and will ionize first and enter last. Sodium-ion Na+ means it has lost one electron and has only 10 electrons in the orbitals. Log in. In order to complete its octet (to get 8 electrons), it will gain one electron. Answered Why the M shell in the an atom can only have a maximum have 8 electrons… Each shell can hold a maximum number of electrons. But for the stable electronic configuration outer most shell must have 8 number of valance electrons. Thus, sodium ion (Na+) has … Who said? The first 2 electrons form a part of the s orbital and the other 6 of the p orbital (n=2 and l=1). Of course the outermost shell can accommodate $18$ electrons. Join now. Log in. If it goes like $2,8,10$ then the outermost shell contains 10 electrons. Answer Save. 6. Each shell must be full before the next starts to fill. $\begingroup$ While the 2-8-18 shell model is elementary, the Aufbau filling is also a flawed concept. effiongemma9351 effiongemma9351 3 weeks ago Chemistry Secondary School +5 pts. The next again has 8, so it holds 8. An electron shell, or main energy level, is the part of an atom where electrons are found orbiting the atom's nucleus.. The M shell only holds eight electrons. Thus, for the 1s orbital, 2 electrons can fill the set of subshells. In N we have s, p, d and f subshells, so maximum number of electrons in N shell is 2+6+10+14 = 32 electrons. 2 Answers. Relevance. of electrons = 13 (d) Valency of the element = 3 (e) The element with Z = 13 is … The number of total maximum electrons in the nth innermost shell is 2n^2 so the first shell has 2, 2nd has 3, 3rd has 18 etc In the case of Argon it's configuration goes 2.8.8 so in the 3rd shell it has eight electrons Bohr's law states the maximum number of electrons that could theoretically be in a shell (the outermost shell doesn't have to be full) but any element has … Suborbital Basics We talked a little bit about s, p, d, f, g, and h suborbital descriptions. L-shell can contain 18 electrons but Bohr and Bury scheme also says that the outermost orbit in an element cannot contain more than 8 electrons. This model breaks down at the n=3 shell because each shell has subshells. Why calcium's 3rd shell only has 8 electrons and the 4th shell, 2 electrons? Thus sodium will, in most cases, form a compound in which it has lost a single electron and have a full outer shell of eight electrons, or octet. The electron configuration of neutral Na is 1 s 2 2 s 2 2 p 6 3 s 1 but in Na+ it loses one electron, so it has a new electron configuration of 1 s 2 2 s 2 2 p 6 means Na+ has (2+6=8) outermost electrons which makes it stable. N – shell: 32 electrons In case of potassium , the atomic number is 19 and its electronic configuration will be ( 2,8,8,1) . Every element adds one more electron to the outermost shell. Each shell can hold 2n 2 electrons. The third shell is M-shell. This formula arises because electrons are fermions (particles with half-integer spin) and fermions are required to occupy … So the shell holds 8, but the atom could hold 18. Electron shells consist of sub-shells denoted s, p, d and f. When adding electrons around a nucleus, the electrons are always placed in the shell with the lowest number first, then the second lowest one, and so on. M-shell cannot have more than 8 electrons in case it happens to be outermost or valence shell in an atom. it can hold 8 number of electron for the … In ionic compounds, oxygen has gained two electrons to become the oxide ion (2- charge). Example: Oxygen, Z = 8 Valence electrons for oxygen. Atoms combine into molecules by trying in most cases to have valence electrons entirely filling a shell. Here for m shell, n=3, So k shell can hold maximum 2(3)power2= 18 electrons means n=3 shell can hold maximum 18 number of electrons. 1. Thus, for the 2s and 2p orbitals combined, 2 + 6 = 8 electrons … The first period has two elements, so the outer shell holds 2 electrons. The m-shell has n = 3. To achieve stability, Calcium has to either take 8 more electrons or give up 2 electrons. However if you consider the first 18 elements of the periodic table, the maximum number of electrons found in the m-shell is 8. This implies that it can contain a maximum of 2 * 32=18 electrons. The first shell can only hold two. 2 Does it need to bond? While the electrons are found in energy … Therefore , total electrons are 18. Not grown up yet. Inspite of the maximum number of electrons in the M shell is 18, but when M shell is the last shell it contains maximum upto 8 electrons, to attain the stable condition of an electron. An atom tends to lose electron if it has one to four electrons in its outermost orbit. When an atom donates these free electrons it has positive valency. In molecular compounds, oxygen shares electrons with other atoms so that it has a share in eight electrons in its outer shell! Question 30. Potassium with 19 electrons has the electronic configuration as K = 2, L = 8, M = 8, N = 1. Still have questions? Lv 7. The M shell can actually hold up to 18 electrons as you move to higher atomic numbers. In chemistry and atomic physics, an electron shell may be thought of as an orbit followed by electrons around an atom's nucleus.All atoms have one or more electron shell(s), all of which have varying numbers of electrons… An atom can have a maximum of 8 electrons in its outermost orbit. Electrons in shells. Each electron shell fills to 8 electrons after the first shell. The third shell in its lowest state has room for 8 electrons but including the higher energy 3d electrons it has a capacity of 18 electrons. 10 B. An element which gains electrons in order to complete its octet is a non-metal. The M shell is the 3 rd shell (n = 3) and can hold up to 18 electrons (2 in s, 6 in p and 10 in d). An atom has 2 electrons in K shell, 8 electrons in L shell and 8 electrons in M shell. The M shell will have 8 electrons because 10 electrons are already filled in the K and L shell. Why cannot you think of 9 electrons in M-shell when it can contain 18 electrons (2n 2 = 18)? Other shells have different maxima: the first shell can only hold 2 electrons; the second shell can hold 8, the third can hold 18, the fourth can hold 32, and so on. Why couldn't the 3rd shell hold 10 electrons? why M shell have 8 electrons instead of 18? This is because of the fact that electrons are filled in shells in the increasing order of energy. In chemistry and atomic physics, an electron shell may be thought of as an orbit followed by electrons around an atom's nucleus.The closest shell to the nucleus is called the "1 shell" (also called the "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on farther and farther from the … Oxygen has 8 electrons --- 2 in the first shell, and 6 in the second shell (so six valence electrons). rahmirmoore3456lol rahmirmoore3456lol 12/05/2017 Chemistry Middle School answered Neon has 8 electrons in its outer shell. (a) Electronic configuration: 2, 8, 3 (b) Atomic number = No. Instead of having three electrons in the outer shell, scandium adds its electron to the second to last shell. So the first shell holds 2, the second hold 8, the third holds 8, and so on. The number of electrons presents in the element with m = 0 are :- … 2 Answers. 7 C. 6 D. 4 ANSWER. Find an answer to your question why do we take 8 electrons in M shell? 0 0. 2S AND 2P ORBITALS For n = 2 and l = 0,1, we have m_l = {0} and m_l = {0, pm1}, and m_s = pm1/2. Answer Save. 1. If the atom of the element has three electrons in the third shell, this means that K and L shells are already filled. It is because all elements in Period 3 have:2 in K- and 8 in L-shell, both completely filled up,and only 2 (out of max. The electron configuration is 2-8-9-2. Lv 7. Fluorine has 9 electrons --- 2 in the first shell, and 7 in the second shell (so seven valence electrons). However, the fourth period is where the transition metals start, so an extra 10 elements are involved. I'm not sure what you refer as an m shell. 5 years ago. The electronic configuration is 2, 8, 1. Click here to get an answer to your question ️ Neon has 8 electrons in its outer shell. Electrons occupy different energy levels, or shells. This shell holds 18 electrons. Hence, the maximum number of electrons per shell, in order of increasing shell number (from 1 to 4) is 2,8,18,32. If an atom has 3 shells it could hold a maximum of 18 electrons (2+8+8=18). Why or Why not. DrBob1. Ask your question. The number of s electrons present in the element is : A. (d) The element will form an anion by gaining an extra electron in order to complete its octet. -The reason why ions form naturally -All but the 1 st shell has 8 electrons in them – they are most stable when they have 8 electrons in the outer shell so ions are formed because the atoms search to be more stable and have 8 electrons in outer shell which means some loose an electron (become positively charged) in order to get 8 in outer shell …

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