Question

valency of 117 Uus aapsa bataya nahi jayega challenge ​

Answer 1

Answer:

it's answer is positive 3

Explanation:

it's not much difficult bcz

let's me to tell how I solve it see there is 2 electron in 1st shell and and then each shell will have 8 electron so 8(10) is 80 and after that count 8 table to 14 u get 112 and now count 2 electron of 1st shell

our total comes 114

therefore valency comes positive 3