Nitrogen family - 5 valence electrons

The elements that belong to the nitrogen family are nitrogen, phosphorus, arsenic, antimonium, bismuth, and moscovium.

Explanation:

Families are group of elements that belong to the same column in the periodic table.

Some families have a well known name. For instance, alkali metals is the family of the elements that belong to the first column: Li, Na, K, Rb, Cs, and Fr (H is an exception, in spite it is in the first column it does not belong to the alkali metals family because it is a nonmetal). Other well known families are alkaline earth metals (column 2), halogens (column 3), and noble gases (column 18).

All the members of a family have the same number of valence electrons, i.e. electrons in the outermost shell.

Nitrogen, N, is in the column 15; it has 5 valence electrons, because its outer most shell has configurarion ns²np³ (n is 2 because nitrogen is in the second period).

The other members fo this family with the electron configuration of the outermost shell are:

Phosphorus, P, 3s² 3p³ (third period)Arsenic, As, 4s² 4p³ (fourth period)Antimonium, Sb, 5s² 5p³ (fith period)Bismuth, Bi, 6s² 6p³ (sixth period)Moscovium, Mc, 7s² 7p³ (seventh period)

D. is the answer hope that you

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