Documents Nitrogen

1.NitrogenAtomic Weight14.0067Density1.251 g/l[note]Melting Point-210.1 °CBoiling Point-195.79 °CFull technical dataColorless nitrogen…

Education Helium

1.HeliumAtomic Weight4.002602Density0.1785 g/l[note]Melting PointN/A[note]Boiling Point-268.93 °CFull technical dataOrdinarily a colorless,…