1. Section Question: What do elements in Period 3 all have in common? Their atoms have the same number of valence electrons.

Question

1. Section Question: What do elements in Period
3 all have in common?
Their atoms have the same number of
valence electrons.
Their atoms have the same number of
electron shells.
Their atoms have the same properties.
None of the above.

Kunduz · Accepted Answer

Click to see the answer