Question

an element X has atomic number 12
a. what is its electronic configuration?
b. what is number of valance electrons in its atom
c. what will be its valency?
d. is it a metal or a nonmetal
e. will it form an anion or cation
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Answer 1

Answer:

a. 2,8,2

b. 2

c. 2

d.metal (magnesium)

e. cation