Name: Antimony

Atomic Symbol and Mass Number: Sb [51]

Electron Configuration: [Kr] 4d   5s   5p

Atomic Radii: 140 pm

Electron Affinity: 103.2 kJ mol‑1

Oxidation States: +5, +4, +3, +2, +1, -1, -2, -3

Electronegativity Value: 2.05

Elemental Group: Metalloid

Uses and Properties:

• Antimony is a silvery-white, shiny element that looks like a metal.

• It has a scaly surface and is hard and brittle like a non-metal.

• It can also be prepared as a black powder with a shiny brilliance to it.

• The melting point of antimony is 630°C (1,170°F) and its boiling point is 1,635°C (2,980°F).

• A lead-antimony alloy is used in batteries.

• Other uses of antimony alloys include type metal (in printing presses), bullets and cable sheathing. 

• Antimony compounds are used to make flame-retardant materials, paints, enamels, glass and pottery. 

• Antimony and many of its compounds are toxic.

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Lewis Diagram: