Antimony - ASCII Periodic Table of the Elements

ASCII PERIODIC TABLE OF THE ELEMENTS

  Sb

Relative atomic mass: 121.760 ± 0.001

English: Antimony
French: Antimoine
Croatian: Antimon
German: Antimon
Italian: Antimonio
Spanish: Antimonio

Atomic number: 51
Group numbers: 15
Period: 5
Standard state (20 °C): solid

Discovery: - -

Antimony has been known since ancient times. The origin of the name comes from the Latin word 'stibium' meaning mineral 'stibnite'. It is a hard, brittle, silvery-white semimetal that is stable in dry air. It is toxic by ingestion or inhalation. Antimony is found in stibnite (Sb2S3) and in valentinite (Sb2O3). It is alloyed with other metals to increase their hardness. It is used in the manufacture of a few special types of semiconductor devices, also in plastics and chemicals. A few kinds of over-the-counter cold and flu remedies use antimony compounds.

Electronic configuration: [Kr] 4d¹⁰ 5s² 5p³
Formal oxidation number: -3 +3 +5
Atomic radius: 145 pm

Electronegativities: 2.05
Thermal conductivity: 24.3 W/(m K)
Electrical resistivity (20 °C): 39 μΩcm

Melting point: 630.63 °C
Boiling point: 1587 °C

Heat of fusion: 20.9 kJ/mol
Heat of vaporization: 165.8 kJ/mol
Heat of atomization: 262.04 kJ/mol