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Where would you find the element with the least mass in the periodic table?   A.Period 1, group 18 B.Period 7, group 1 C.Period 3, group 2 D.Period 1, group 1
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Where would you find the element with the least mass in the periodic table?  

A.Period 1, group 18
B.Period 7, group 1
C.Period 3, group 2
D.Period 1, group 1

User Weeix
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1 Answer

6 votes
i believe the answer is D
User Mithril
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