Science, asked by mudit11, 1 year ago

Which is the element with atomic no. 77? Write about it.

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Answered by AionAbhishek
2
Iridium
Ir and atomic number 77

. A very hard, brittle, silvery-white

transition metal of the platinum group, iridium is generally credited with being the second densest element

It is also the most corrosion -resistant metal, even at temperatures as high as 2000 °C.
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