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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gold
fluorine
chrome
iridium
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flagGreece
0%
0%
25%
75%
12
flagAustralia
3%
10%
13%
72%
29
flagthe Netherlands
0%
16%
16%
66%
12
flagthe United Kingdom
11%
6%
23%
58%
43
flagthe United States
3%
21%
17%
57%
80
flagPakistan
7%
0%
38%
53%
13
flagPoland
5%
19%
23%
50%
1631
flagNigeria
10%
12%
30%
43%
39
flagIndia
5%
20%
33%
40%
156
flagGermany
0%
30%
30%
39%
33
flagGhana
0%
38%
23%
30%
13