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ra1l [238]
2 years ago
10

Among the alkali metals, the tendency to react with other substances. A. does not vary among the members of the group. . B. incr

eases from top to bottom within the group. . C. varies in an unpredictable way within the group. . D. decreases from top to bottom within the group.
Chemistry
1 answer:
yKpoI14uk [10]2 years ago
8 0
B is correct. As you move down group 1, the elements become more reactive with other elements because the electrons have a weaker attraction to their own atoms nucleus which means attraction with other elements is much stronger, making the atom more reactive.
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