Multiple Choice
True or false: Hydrogen is a nonmetal while lithium is an active metal,even though they are in the same group.
A) True.Such differences are common for elements in the same group.
B) False.Because the elements are in the same group,they have similar metallic qualities.
C) True.This can be explained because of the very large difference in atomic radii between hydrogen and lithium.
D) False.Both hydrogen and lithium are nonmetals
E) None of these.
Correct Answer:

Verified
Correct Answer:
Verified
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