Platinum
Pt
Physical Properties
• Pure platinum is slightly harder than Iron
• Silver/White colour
• Better jewelry quality than Gold.
ONE OF THE RAREST ELEMENTS ON EARTH'S CRUST
Platinum in solid-fractured form.
Platinum in animated form.
Platinum is used for collectable coins.
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:
Isotopes
Platinum has six naturally occurring isotopes: 190Pt, 192Pt, 194Pt, 195Pt, 196Pt, and 198Pt.