2
Second shell has a maximum of 8 electrons.
According to one of Lewis' theories, each shell has a maximum number of electrons using the formula 2n2 where n = the shell number. For example: 1st shell = 2(1)2 = 2 electrons maximum; 2nd shell = 2(2)2 = 8 electrons maximum.
Maximum number of electrons = 2n2, where n is the number of shell (n = 1 for K, 2 for L, 3 for M, and so on) K shell has 2 electrons maximum L shell has 8 electrons maximum M shell has 18 electrons maximum N shell has 32 electrons maximum O shell has 50 electrons maximum P shell has 72 electrons maximum
Atomic number is the number of protons. In a neutral atom, the number of protons is equal to the number of electrons. So, in your example, the number of electrons in this atom is 14. The first energy shell can take 2 electrons, the second energy shell can take 8 electrons, and the third energy shell can take 18 electrons. If there are 14 total electrons, 10 would be found in the first two energy shells, leaving 4 for the third energy shell.
The outer shell number for beryllium is 2. Beryllium has 4 electrons, so in its electron configuration, 2 electrons are in the first energy level and 2 electrons are in the second energy level, making the outer shell number 2.
Noble gases contain the least number of valence electrons, with a full outer shell of eight electrons (except for helium, which has two valence electrons).
The first electron shell can hold up to 2 electrons, the second shell can hold up to 8 electrons, and the third shell can hold up to 18 electrons. Therefore, a total of 28 electrons are needed to fill the first three electron shells.
Nitrogen needs 3 more electrons to fill its outer shell. It has 5 electrons in its outer shell, and it typically needs a total of 8 electrons to achieve a full outer shell (octet rule).
2 electrons are found in the first electron shell.
The chemical properties of an atom depend on the number of electrons in its outermost shell, known as the valence electrons. These electrons determine how atoms interact with other atoms to form chemical bonds.
Valance numbers represent the least number of electrons that particular atom needs to be fulfilled, or have a complete outer shell, and is useful when determining bonding properties.
Second shell has a maximum of 8 electrons.
I think the elements with more number of shells and least number of electrons in the outer most shell would be the one. For example francium.
Six valence electrons in their outermost shell.
If the number of electrons in the M shell is equal to the sum of the electrons in the K and L shells, then the element is Silicon (atomic number 14). It has 4 electrons in the K shell, 8 in the L shell, and 2 in the M shell.
The second shell can hold eight electrons.
The number of electrons on the outer shell is what matters when dealing with bonding. These outer shell electrons, also known as valence electrons, are involved in the formation of chemical bonds between atoms.