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Platinum	78 Pt 195.078(2)

The essentials

Name: platinum Symbol: Pt Atomic number: 78 Atomic weight: 195.078 (2) CAS Registry ID: 7440-06-4

Group number: 10 Group name: Precious metal or platinum group metal Period number: 6 Block: d-block

Description

Here is a brief description of platinum.

• Standard state: solid at 298 K
• Colour: greyish white
• Classification: Metallic
• Availability: platinum is available in many forms including foil, sheet, wire, insulated wire, "evaporation slugs", gauze, powder, sponge, and mesh. Small and large samples of platinum foil, sheet, wire, insulated wire and mesh (and platinum alloys in wire and insulated wire form) can be purchased from Advent Research Materials
  
  via their web catalogue.

Ruthenium, rhodium, palladium, osmium, iridium, and platinum together make up a group of elements referred to as the platinum group metals (PGM).

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