Question

a) For an element A - atomic number 7, mass number 14 and another element B- electronic configuration 2,8,8. State:
i. Valency of element B
ii. Type of ion formed by A.

Answer 1

Answer:

Element A is Nitrogen.

Element B is Argon

i. Valency of argon is 0.

ii. Type of ion formed by Nitrogen is Nitride ion.

Answer 2

Answer:

i. Valency of A (Nitrogen) is 3

ii. $Ar^+$ Ion is formed by Argon

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