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11-05-2016
Chemistry

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Which elements are in the same group of the periodic table?

A. Ca, Na, Rb, Sr

B. Al, Ar, Cl, S

C. Au, Hg, Pb, Pt

D. As, Bi, P, Sb

Respuesta :

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12-05-2016

Look at your periodic table. The answer is D. They are all in Group 15.

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