30 Zn 65.382

Zinc

TRANSITION METAL

Phase: Solid

Discovered: India

Block: D

Summary

Zinc, in commerce also spelter, is a chemical element with symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium:its ion is of similar size and its only common oxidation state is +2.

Appearance: silver-gray

Source: Wikipedia

Physical Properties

Atomic Mass 65.382 u

Density 7.14 g/cm³

Melting Point 692.68 K

Boiling Point 1180 K

Molar Heat 25.47 J/(mol·K)

Electron Affinity -58 kJ/mol

Ionization Energies

1^st: 906.4 kJ/mol

2^nd: 1733.3 kJ/mol

3^rd: 3833 kJ/mol

4^th: 5731 kJ/mol

5^th: 7970 kJ/mol

6^th: 10400 kJ/mol

7^th: 12900 kJ/mol

8^th: 16800 kJ/mol

9^th: 19600 kJ/mol

10^th: 23000 kJ/mol

11^th: 26400 kJ/mol

12^th: 29990 kJ/mol

13^th: 40490 kJ/mol

14^th: 43800 kJ/mol

15^th: 47300 kJ/mol

16^th: 52300 kJ/mol

17^th: 55900 kJ/mol

18^th: 59700 kJ/mol

19^th: 67300 kJ/mol

20^th: 71200 kJ/mol

21^th: 179100 kJ/mol