GERMANIUM

Atomic Number: 32
Mass Number: 72.59
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p²
Melting Point: 959^oC
Boiling Point: 2700^oC
First Ionization Energy: 782 kJ/mol
Second Ionization Energy: 1530 kJ/mol
Third Ionization Energy: 3290 kJ/mol
Fourth Ionization Energy: 4390 kJ/mol
Electronegativity: 2.0
Atomic Radius: 122 pm