The electronic configuration of an element ‘X’ is 2, 8, 2:
Q. The electronic configuration of an element ‘X’ is 2, 8, 2:
(a) Find the number of electrons present in the atom of element X.
(b) Write the atomic number.
(c) This element ‘X’ is a metal or a non-metal.
(d) Find out the valency of the element X.
Ans. (a) 12
(b) Atomic number = 12
(c) ‘X’ is a metal.
(d) Valency of ‘X’ is + 2
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