5 B 10.81

Boron

Category: Metalloid | State: Solid

Atomic Properties

Atomic Number 5
Atomic Mass 10.81
Electronic Configuration [He] 2s² 2p¹

Periodic Table Placement

Group 13
Period 2
Block p-block

Physical Properties & Discovery

Melting Point 2076°C
Boiling Point 3927°C
Density 2.34 g/cm³
Discovered By Joseph Louis Gay-Lussac (1808)

Frequently Asked Questions about Boron