Iridium - Simple English Wikipedia

# Iridium

### From Wikipedia, a free encyclopedia written in simple English for easy reading.

Iridium is 77th element on the periodic table. Its symbol is Ir.

Iridium is a metal. It is very hard to find and costs a lot. It is known as a "noble metal". It is found in an asteroid and comet. It can be used to find out when an asteroid or comet hit the Earth.

Iridium is not needed in the body.

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Category: Chemical elements

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