Comparison of Magnesium and Tellurium

Attribute	Tellurium ×	Magnesium ×
Standard state	Solid	Solid
Electron affinity (eV)	1.971	-
Electron configuration	[Kr]5s²4d¹⁰5p⁴	[Ne]3s²
Atomic mass (u)	127.6	24.305
Electronegativity (pauling scale)	2.1	1.31
Oxidation states	-2 +4 +6	+2
Ionization energy (eV)	9.01	7.646
Atomic radius (van der waals) (pm)	206	173
Boiling point (K)	1261	1363
Melting point (K)	722.66	923
Density (g/cm³)	6.232	1.74
Atomic number	52	12
Group name	Metalloid	Alkaline earth metal
Discovered (year)	1782	1808
Symbol	Te	Mg