Question:

Which of the following is not a noble gas??

by  |  earlier

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a) He

b) Rn

c) Xe

d) Tg

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2 ANSWERS


  1. TG-If it's not in the far right column it is not a noble gas


  2. Tg, i dont exactly remember what that was, but im sure that Helium, Radon and Xenon are all noble gases

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