What element is named after the latin word for rainbow?
gold
fluorine
chrome
iridium
Iridium was discovered in 1803 among insoluble impurities in natural platinum. Smithson Tennant, the primary discoverer, named iridium for the Greek goddess Iris, personification of the rainbow, because of the striking and diverse colors of its salts. Iridium is one of the rarest elements in Earth's crust, with annual production and consumption of only three tonnes.
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Answers by country
gold
fluorine
chrome
iridium
answers
Greece
12
Australia
29
the Netherlands
12
the United States
81
the United Kingdom
43
Pakistan
13
Poland
1634
Nigeria
39
India
156
Germany
33
Ghana
13