Question

(ii) Determine the valency of the following elements, the atomic numbers of which are

given in parenthesis:

Chlorine (17), Sulphur (16), Aluminium (13)​

Answer 1

Answer:

1 Chlorine

2 Sulphur

3 Aluminum

Answer 2

Answer:

we can find out vanlency by the help of valence electron

Explanation:

chlorine =1

Sulphur =2

aluminijm=3