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helium balloons! fun at a party. but do you know one chemical property of helium? 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
consider the paragraph above. what is one chemical property of helium?
a)
colorless
b)
non-reactive
c)
less dense than air
d)
boiling point is -268.93 oc