The elements that belong to the third period of the periodic table are?

Rainz

9 years ago

D is correct

O2 doesnt belong to period 3 but 2

obedvictor

9 years ago

D is the correct answer

RiverHeights

2 years ago

Remember, it's period, not group

Habeeb Horlalekan

12 years ago

Yes .u are right,man.it's Na nt Nz

Cunnyguy

3 years ago

Pls change d Nz in option D 2 Na

Martinsjta

1 year ago

It is not because period that determines the valency of an element but the group the element belong to.@river thanks for the contribution.

Kellydance

1 year ago

D IS VERY CORRECT!!!

Kadyboy95

12 years ago

Na not Nz

osasoye

2 years ago

b is the correct answer

Ninny

9 years ago

the answer ix C

tyjesma

11 years ago

Option C is right...Nz was given intentionally...assuming it was Na, then both C and D would have been correct which is not possible