13 Al 26.98153857

Aluminium

POST-TRANSITION METAL

Phase: Solid

Discovered: Ancient

Block: P

Summary

Aluminium (or aluminum; see different endings) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal, in the Earth's crust.

Appearance: silvery gray metallic

Source: Wikipedia

Physical Properties

Atomic Mass 26.98153857 u

Density 2.7 g/cm³

Melting Point 933.47 K

Boiling Point 2743 K

Molar Heat 24.2 J/(mol·K)

Electron Affinity 41.762 kJ/mol

Ionization Energies

1^st: 577.5 kJ/mol

2^nd: 1816.7 kJ/mol

3^rd: 2744.8 kJ/mol

4^th: 11577 kJ/mol

5^th: 14842 kJ/mol

6^th: 18379 kJ/mol

7^th: 23326 kJ/mol

8^th: 27465 kJ/mol

9^th: 31853 kJ/mol

10^th: 38473 kJ/mol

11^th: 42647 kJ/mol

12^th: 201266 kJ/mol

13^th: 222316 kJ/mol