Question

Q) The electronic configuration of an element T is 2, 8,
8, 1.
(i) What is the group number of T ?
(ii) What is the period number of T?
(iii) How many valence electrons are there in an atom
of T ?
(iv) What is the valency of T ?
(v) Is it a metal or a non-metal?



plss tell ​

Answer 1

The electronic configaration of an element T is 2

Explanation:

i) 18

ii) 8th sub group A

iii) 1

iv) 2

v) non-metal