Symbol
Zn
Atomic Number
30
Atomic Mass
65.38
Protons
30
Neutrons
35
Electrons
30
Type
Transition Metal
Isotopes
Zinc-64, Zinc-66, Zinc-67, Zinc-68, Zinc-70
Discovery Year
Prehistoric
Group
12
Period
4
Boiling Point
1664°F
Melting Point
787°F
Electron Configuration
[Ar] 3d¹⁰ 4s²
Density (g/cm³)
7.14
Crystal Structure
Hexagonal close-packed
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.0075%
Phase at Room Temperature
Solid