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Chemistry, 15.12.2020 01:00 barattah

Which of the following elements would be in the same group or family? A. K, Ca, Sc
B. Se, Br, Kr
C. K, Na, Li
D. Al, Ge, Sb

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Which of the following elements would be in the same group or family? A. K, Ca, Sc
B. Se, Br,...

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