Science, asked by tannu5677, 1 year ago

atomic number of sodium and Calcium 11 and 20 respectively to which group and period do these elements belong

Answers

Answered by RamittoZenLee

10

Sodium belongs to group 1 and period 3
calcium belongs to group 2 and period 4

Answered by Arware

2

sodium belongs to group 1
and haa haa hhaaa

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