Science, asked by yashuji39, 7 months ago

H1,N7,Ca20,Be14,Ar18 which of these elements belong to the second group

Answers

Answered by ShaikhHuzaifah

4

Answer:

Ca 20 belong to second group

Plzz mark as Brainliest Answer

Answered by manishjoshi8962

3

Answer:

calcium

Explanation:

because calcium electronic configuration is

2 8 8 2

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