Question

The atoms of Group B elements _____ electrons when they form ions. options: A.either gain or lose B.gain C.cannot be determined D.lose

Answer 1

They tend to lose electrons to became positive ions( cation ) .
Hope it help :)

Answer 2

The answer to the question :

The atoms of Group B elements _____ electrons when they form ions .

is :

D) lose

The atoms of Group B elements lose electrons when they form ions because these elements are metals.