Comparison of Zinc and Tellurium

Attribute	Tellurium ×	Zinc ×
Standard state	Solid	Solid
Electron affinity (eV)	1.971	-
Electron configuration	[Kr]5s²4d¹⁰5p⁴	[Ar]4s²3d¹⁰
Atomic mass (u)	127.6	65.4
Electronegativity (pauling scale)	2.1	1.65
Oxidation states	-2 +4 +6	+2
Ionization energy (eV)	9.01	9.394
Atomic radius (van der waals) (pm)	206	139
Boiling point (K)	1261	1180
Melting point (K)	722.66	692.68
Density (g/cm³)	6.232	7.134
Atomic number	52	30
Group name	Metalloid	Transition metal
Discovered (year)	1782	1746
Symbol	Te	Zn