Question

(b)
An atom of an element is represented as 24by12 A.
(i) Write the number of protons present in one atom of the element.
(ii) Write its electronic configuration.
iii) State whether it is a metal or a non-metal.​

Answer 1

Answer:

(i) 12

(ii) 2,8,2

(iii) It is a metal, as it has 2 electrons in its valence shell.

Answer 2

i) No of protons are 12

ii) 2,8,2

iii) It is a metal

Explanation:

1. The name of the above metal is magnesium.
2. It is present in third period and second group