Antimony is an element with the atomic number 51. It has an average atomic mass of 121.760 (g/mol) and represented by the symbol Sb (Latin: stibium). In the periodic table, it is in group 15 and period 5. There are 51 protons and electrons. The electronic configuration of Antimony is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2, 4p6,4d10, 5s2, 5p3. At standard temperature and pressure, Antimony is solid and has a density of 6.697 g/cm3. Its melting point is 903.78 K ?(630.63 °C, ?1167.13 °F) and its boiling point is 1908 K ?(1635 °C, ?2975 °F).

The electronegativity of antinomy is 2.05 (Pauling scale) and its oxidation states are −3, −2, −1, 0, +1, +2, +3, +4, +5. The energy required for the first ionization is 834 kJ/mol.

Antimony has two stable isotopes Sb-121 and Sb-123. And it has some 35 artificial radioisotopes.

Its occurrence is rare and can be found in more than 100 minerals. In ore like sulfide stibnite, it has a very high abundance. An estimated abundance of 0.2 to 0.5 parts per million is found in Earth's crust. China is the top producer of Antimony followed by Russia, Tajikistan, Bolivia, South Africa, and Australia.

Trioxide Antimony is used in flame-proofing compounds sometimes with halogenated flame retardants. Antimony form a useful alloy with lead. The antifriction alloys  (Babbitt metal) of Antimony is used in lead shot, electrical cable sheathing, and bullets. Antimony is used as a stabilizer in polyethylene terephthalate production. Antimony is used in drugs like anti-protozoan drugs. Potassium antimonyl tartrate was once used as an anti-schistosomal drug. Meglumine antimoniate is used for leishmaniasis in domestic animals. Antimony is used as a fining agent in glass for removing bubbles of oxygen. It is used mostly in the preparation of TV screens.

How many valence electrons does antimony have?


Antimony has five valence electrons. They are present in 5s, 5p orbital.  The electronic configuration of Antimony is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2,4p6,4d10, 5s2, 5p3.

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How many electrons does antimony have?


The atomic number of Antinomy is 51. And Its electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2, 4p6, 4d10, 5s2, 5p3. There are 51 electrons in an electrically neutral atom of Antimony.