first period consists of ................... elements A)1 b)8 C)2 d)4
Answers
Answered by
3
Answer:
First period consists of 2 elements, hydrogen(H) and helium(He)
Similar questions
Social Sciences,
6 months ago
Political Science,
6 months ago
Math,
6 months ago
Economy,
11 months ago
Math,
11 months ago
English,
1 year ago
Biology,
1 year ago