write the atomic number,mass number, valency and electronic confurigation of the first 20 elements.
Answers
Answered by
1
Explanation:
so here is your answer please check the above picture
and hope you like it
Attachments:
Similar questions
English,
3 months ago
Psychology,
3 months ago
Math,
7 months ago
Math,
10 months ago
Math,
10 months ago