Platinum

Pt

Physical Properties

• Pure platinum is slightly harder than Iron

• Silver/White colour

• Better jewelry quality than Gold.

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ONE OF THE RAREST ELEMENTS ON EARTH'S CRUST

Chemical Properties

•The most common oxidation state of platinum are +2 and +4.

• While elemental platinum is generally unreactive, it dissolves in hot aqua regia to give aqueous chloroplantinic acid(H2PtCl6)

• As a soft acid, platinum has a great affinity for sulfur.

Uses:

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Isotopes

Platinum has six naturally occurring isotopes: 190Pt, 192Pt, 194Pt, 195Pt, 196Pt, and 198Pt.