Question

1 point
7. If the atomic number of an
element is 12, then what is the
number of valence electrons? *
*
O
6
O 12
O 10
O 2​

Answer 1

Answer:

a option is the correct answer of the question.

Answer 2

Answer:

2

Explanation:

the answer is 2 and the atomic number of magnesium is 12.