Question

write the electronic configuration of an element X whose atomic number is 16. What is its valency

Answer 1

element x is SULPHUR having 16 as it's atomic number....

valency - 16
e.c - 2,8,6
so valency....- 8 - 6 = 2
valency- 2 and it is a non metal


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Answer 2

Atomic number of given element X = 16

Hence, its electronic configuration = 2.8.6

Valancy is defined as combining capacity of one atom with other atoms when it forms chemical compounds. Therefore, element X attain two electrons to posses octet. Hence, combining capacity of the element X is 2.