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Which group of elements are considered to be in the same family? A. helium, neon and argon B. potassium, calcium and scandium C. manganese, iron and cobalt D. hydrogen and helium
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Which group of elements are considered to be in the same family?

A. helium, neon and argon
B. potassium, calcium and scandium
C. manganese, iron and cobalt
D. hydrogen and helium

User Lomse
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1 Answer

5 votes
A. helium, neon and argon, because they are in the same group or column
User Duck In Custard
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