( I am in middle shcool but I will try to help)
Name: Manganese
Symbol: Mn
Atomic Number: 25
Atomic Mass: 54.93805 amu
Melting Point: 1245.0 °C (1518.15 K, 2273.0 °F)
Boiling Point: 1962.0 °C (2235.15 K, 3563.6 °F)
Number of Protons/Electrons: 25
Number of Neutrons: 30
Classification: Transitional metal
Crystal Structure: Cubic
Density 293 K: 7.43 g/cm3
Color: silverish/grayish
(hope this helps)