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Tems11 [23]
3 years ago
10

Which matter exists in the gaseous state at room temperature?

Chemistry
2 answers:
Tpy6a [65]3 years ago
3 0
Helium i would think so
padilas [110]3 years ago
3 0
The answer is B. Helium. If you look at the periodic table, Helium is a noble gas, and all noble gases are in the gas phase at room temperature.
Hope this helped ^-^
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The density of the metal is 6.51 g/cm3 .

<h3>What is density, for instance?</h3>

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Briefing :

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Volume of the metal piece, V = V2 - V1

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