Antimony properties
Extractive antimony metallurgy

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M2375 V1 Article

Antimony properties
Extractive antimony metallurgy

Authors : Pierre BLAZY, Virginie HERMANT

Publication date: March 10, 2015 | Lire en français

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1. Antimony properties

Antimony, with electronic configuration 5s25p3, belongs to group VB of Mendeleev's classification. It can lose its 3 p-electrons, giving the anion Sb3+ and, in addition, its 2 s-electrons, giving the anion Sb5+. But it can also gain 3 electrons (octet rule) to form the cation Sb3-. We cannot therefore decide whether antimony is metallic or non-metallic, as it is considered to be a semi-metal.

1.1 Physical properties

Metallic antimony is a shiny, silver-white solid that is brittle and does not tarnish in air. It consists of non-planar layers, in which each atom is covalently bonded to 3 neighboring atoms, held together by metal-like bonds.

The main physical properties of antimony are shown in table

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