Question

How many valence electrons are contained in Na, Mg, and Al respectively?

1, 2, 3

7, 6, 5

9, 8, 7

11, 12, 13

Answer 1

@ganeshie8 @JoannaBlackwelder @Will.H @Unavailabilityy

Answer 2

Here's a clue: Na is in group 1, and therefore has 1 valence electron.

Answer 3

Thanks, its option A?

Answer 4

Yes. Mg is in group 2, and Al is in group 3A, so option A is correct

Answer 5

Thank you!