Question

atomic no of an element is 12
(1) identify the element and name it.
(2)write the group no.of this element in modern periodic table
(3)write the period of this element in modern periodic table
(4)write electronic configuration of this element.​

Answer 1

Answer:

1- magnesium Mg

Explanation:

2- second group

3-third period

4- (Ne)3s¹

Answer 2

Explanation:

1) magnesium

2)2

3)3

4)