Question

What is iridium's classification?

Answer 1

It is primarily used as a hardening agent for platinum. Platinum-iridium alloys are used to make crucibles and other high temperature equipment.Iridium is also alloyed with osmium to make the tips of fountain pens and compass bearings. Iridium is the most corrosive resistant metal known.

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Answer 2

colour : silvery and white
atomic weight :192.22
state:solid
meeting point :2447oC,2720 k