what is the max number of electrons in each shell?
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Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
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The electrons form layers (or shells) around the nucleus. The first layer can only hold two electrons; the next layer can hold a maximum of eight electrons; and the next layer can only hold 8 electrons. The picture shows the electrons in a sodium atom.
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Neon therefore has 8 valence electrons. The shells of an atom can only hold so many electrons. Each shell has a certain amount of subshells (s, p, d, etc) that have a certain amount of orbitals.
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Electrons occupy different energy levels, or shells. Each shell can hold a maximum number of electrons. Moving through the elements in the periodic table, each atom has one more electron than the last because the number of electrons is the same as the atomic number .
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In an atom, the electrons spin around the center, also called the nucleus. The electrons like to be in separate shells/orbitals. Shell number one can only hold 2 electrons, shell two can hold 8, and for the first eighteen elements shell three can hold a maximum of eight electrons.
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Electrons are arranged in different shells around the nucleus . Each successive shell can only hold a certain number of electrons. The innermost shell is filled first. This shell can contain a maximum of two electrons.
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Different subshells hold a different maximum number of electrons. Any s subshell can hold up to 2 electrons; p supshell up to 6 electrons; d subshell up to 10; and f subshell up to 14.
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Label each shell as n=1, n=2, etc. The first shell holds 2 electrons. We have 18 electrons left.
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The transition metals are able to put up to 32 electrons in their second-to-last shell. Something like gold (Au), with an atomic number of 79, has an organization of 2-8-18-32-18-1. Of course, there are still some rules. No shell can have more than 32 electrons.
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The electrons form layers (or shells) around the nucleus. The first layer can only hold two electrons; the next layer can hold a maximum of eight electrons; and the next layer can only hold 8 electrons.
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So... for the element of ARGON, you already know that the atomic number tells you the number of electrons. That means there are 18 electrons in an argon atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and eight in shell three.
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The outermost shell in an atom cannot have more than eight electrons even if it has a capacity to take up more electrons. This is also called the octet rule. Protons and neutrons have nearly same mass(one unit). Electrons have negligible mass.
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Answer: 32 electrons. Explanation: In N atom, there are 7 electrons.
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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.
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So we get 2 + 5 = 7. So fluorine has 7 electrons in the outermost shell. Basically, count the number of electrons in the orbitals with the highest principle quantum number, and that'll give the number of electrons in the outermost shell.
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Since krypton is in the far right row of the periodic table, its outermost shell is full with eight electrons. This is one of the happy elements and has an electron configuration of 2-8-18-8. The other inert gases including argon and xenon also have full outer shells with eight electrons.
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According to some chemistry textbooks, the maximum number of valence electrons for an atom is 8, but the reason for this is not explained.