Manganese =D

Symbol: Mn

Atomic Mass: 54.938

Atomic Number: 25

Protons: 25

Electrons: 25

Neutrons: 30

Boiling Point: 1962 º C

Melting Point: 1244±3 º C

Freezing Point: 1244±3 º C

Density: 7470 kg/m3

Electronegativity: 1.55 (Pauling scale)