Which substance is not a solid at 20˚C and one atmosphere of pressure? A. Kr B. U C. K D. Ag

No Surprises asked Nov 16, 2023

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4 votes

Which substance is not a solid at 20˚C and one atmosphere of pressure?

A. Kr
B. U
C. K
D. Ag

No Surprises asked Nov 16, 2023

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22 votes

Choose A, Kr is noble gas

Parissa answered Nov 23, 2023

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