Chemical properties of helium - Health effects of helium
|Atomic mass||4.00260 g.mol -1|
|Electronegativity according to Pauling||unknown|
|Density||0.178*10 -3 g.cm -3 at 20 °C|
|Melting point||- 272.2 (26 atm) °C|
Also asked, what is the molecular weight of helium gas?
Helium's atomic mass is 4.003, (carbon is 12.0107, oxygen is 15.9994). Multiply the atomic mass number by the molar mass constant (defined as 0.001 kg/mol. or 1 gram/mol.), thus making the molar mass 4.003 grams/mol.
What is the mass of one mole of helium?
What is the chemical formula of helium gas?
The chemical formula for helium is He. It is a noble gas with stable configuration 1s² and atomic number is 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table.