Hydrogen is a nonmetal and 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. Both hydrogen and lithium are nonmetals
C) True. This can be explained by the very large difference in atomic radii between hydrogen and lithium.
D) False. Because the elements are in the same group, they have similar metallic qualities.
E) none of these
Correct Answer:
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Q1: Which of the following is the second
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Q6: Hydrogen and lithium react very differently, although
Q7: Choose the element with the smallest radius.
A)
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Q9: Which group contains two elements that exhibit
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Q11: Within a group, as the atomic numbers
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