Zinc Chemical Element

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Symbol
Zn
Atomic number
30
Chemical property
Post-​transition metal
Origin o the name
German word Zinke (prong, tooth)
Group
12
Period
4
Atomic weight (u)
65.38
Atomic weight uncertainty (u)
0.02
Density (g/cm³)
7.134
Melting point (K)
692.88
Boiling point (K)
1180
Heat capacity (J/(g·K))
0.388
Electro-negativity
1.65
Abundance in earth's crust (mg/kg)
70