Physics, asked by javish991, 1 year ago

how do you support that the element magnesium elongs to 3rd period and 2nd group

Answers

Answered by varunheels9
0
magnesium atomic number is 12.
electronic configuration:- 2,8,2.
it has three shells now. so it belongs to the 3rd period. magnesium has 2 electrons in the outer most shell. so it belongs to the second group. that's the logic.
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