Antimony

Element

Name: Antimony

Symbol: Sb

Atomic Number: 51

Atomic Mass: 121.8 amu

Number of electrons: 51

Classification: Standard Metal

Crystal structure: Rhombohedral

Color: bluish

Date of Discovery: It has been known since ancient times.

Name of Discoverer: Unknown

Name Origin: From Greek anti and monos.

Uses: Hardens lead, plastics, and chemicals.

Obtained from: stibnite and valentinite.