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5 votes
Which elements belong to the same group?

N, P, As,Sb
Ne, F, Ar,Kr
Rb, Sr, Y, Zr
K, Ca, Mg, Be

User IAmcR
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1 Answer

3 votes
(N,P) (As,Sb)
(Ne,Ar, Kr) (F)
Basically look up groups on the periodic table and then sort the elements the ones that are in the same group.
User Mowwwalker
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