Chemistry, 01.09.2021 19:40 cait0820

Helium is an odorless, colorless gas at room temperature. It is less dense than air. That's why helium balloons float. It is a non-reactive gas, a member of the Noble gas family. Its melting point is -272.2 oC and its boiling point is -268.93 oC. Physical properties of Helium are? (*more than 1 answer) A. It’s lack of color (colorless)
B. It’s non-reactivity
C. the fact that it’s less dense than air
D. it’s boiling point of -268.93 oC

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Helium is an odorless, colorless gas at room temperature. It is less dense than air. That's why heli...

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