1st 30 elements in chemistry with atomic mass,number, valency
Answers
Answered by
0
elements_ hydrogen, hellium, litthium, beryllium
atomic no_1. 2. 3. 3
valency_ (-1), +1. 0. +1. +2
Similar questions
Social Sciences,
6 months ago
English,
6 months ago
Math,
11 months ago
English,
11 months ago
Hindi,
1 year ago