Name |
Iridium |
Symbol |
Ir |
Atomic number |
77 |
Atomic mass |
192 |
Number of protons |
77 |
Number of electrons |
77 |
Number of neutrons |
115 |
Melting point |
2,466 celcius |
Boiling point |
4,130 celcius |
Normal phase |
solid |
Family |
platinum |
Period |
6 |
group |
9 |
Origin Of name |
iridium comes from Latin word Iris which means Rainbow |
Date and Place of discovery |
1803, London |
Interesting Facts |
Its a salt which is yellowish white |
Common uses |
hardening agent of platinum alloys |