Name:
Helium
Symbol:
He
Atomic Number:
2
Atomic Mass:
4.002602 g/mol
State:
Gas @298K
Colour:
None
Melting Point:
0.95 K
Boiling Point:
4.215 K
isotope
amu
abundance(%)
He3
3.0160
0.00013
He4
4.0026
100.00