Comparison of Hydrogen and Nitrogen

Attribute	Nitrogen ×	Hydrogen ×
Atomic mass (u)	14.007	1.008
Standard state	Gas	Gas
Oxidation states	-3 -2 -1 +1 +2 +3 +4 +5	-1 +1
Electron configuration	[He]2s²2p³	1s¹
Atomic radius (van der waals) (pm)	155	120
Electronegativity (pauling scale)	3.04	2.2
Electron affinity (eV)	-	0.754
Ionization energy (eV)	14.534	13.598
Boiling point (K)	77.36	20.28
Melting point (K)	63.15	13.81
Density (g/cm³)	0.0012506	8.988E-5
Atomic number	7	1
Group name	Nonmetal	Nonmetal
Symbol	N	H
Discovered (year)	1772	1766