Question

An atom of an element is represented as X. ( where the atomic number of X is 14 and atomic mass is 28 . State
(a) atomic number (a) and mass number
(z) .
(b) electronic configuration and draw its atomic structure.
(c) valency of this element.

Answer 1

Explanation:

14, mass no. =28

L8, M6

valency=4

Answer 2

Hey..

a) atomic no.is 14 and atomic mass is 28

b) K L M

2, 8, 4

c) valency is 4.

For structure, refer to the attachment