Question

Draw the atomic structure of the following elements. Also state its electronic configuration and valency:
i) Fluorine (Z=9, A=19)
ii) Boron (Z=5, A=11)
iii) Sodium ( Z=11, A=23)
Please answer fast

Answer 1

Answer:

hope it helps

Explanation:

i)2.7-1-

ii)2.3-3+

iii)2.8.1-1-