Which of the following groups of elements have properties that are most similar? (A) \( \mathrm{...
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0Which of the following groups of elements have properties that are most similar?
(A) \( \mathrm{Na}, \mathrm{K}, \mathrm{Cs} \)
(B) \( \mathrm{Mg}, \mathrm{Sr}, \mathrm{Ba} \)
(C) \( \mathrm{Be}, \mathrm{Al}, \mathrm{Ca} \)
(D) \( \mathrm{Be}, \mathrm{Ra}, \mathrm{Cs} \)
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