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

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

Beryllium Atomic Weight 9.012182 Density 1.848 g/cm3 Melting Point 1287 °C Boiling Point 2470 °C Full technical data This pure broken crystal of refined beryllium ordinarily…

1.OxygenAtomic Weight15.9994Density1.429 g/l[note]Melting Point-218.3 °CBoiling Point-182.9 °CFull technical dataAt -183.0DegreeC oxygen…

Carbon Atomic Weight 12.0107 Density 2.26 g/cm3[note] Melting Point 3550 °C[note] Boiling Point 4027 °C[note] Full technical data A diamond is forever, unless you heat…

1.CarbonAtomic Weight12.0107Density2.26 g/cm3[note]Melting Point3550 °C[note]Boiling Point4027 °C[note]Full technical dataA diamond…