Chemistry, asked by jenny6031, 7 months ago

what's helium chemistry chapter 1 XI​

Answers

Answered by yaruq678
1

Answer:

Hi mate

Helium is a gas with atomic number 2 and mass number 4

Hope helps mate

Answered by Sanayasilawat
3

Explanation:

Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

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