How many groups are on the periodic table?

How many periods are on the periodic table?

The period number tells you the number of

The number of the group tells you the number of...

All elements in group 2 has 2 valence electrons.

Sodium has ... valence electron(s)

I an element am in group 2

,period 6

I am…

Where are metals located on the periodic table?

Where are non-metals located on the periodic table?

Chose all of the elements that are metals:

Chose all of the elements that are non-metals:

Chose all of the elements that are metalloids:

Where are metalloids located on the periodic table?