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Titanium
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Titanium
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Discovery timeline
1774
Elements discovered in 1774
3
elements
1772
1777
Element
Symbol
Atomic number
Atomic mass
Minerals
Oxygen
O
8
16.0 u
4,631
Chlorine
Cl
17
35.5 u
431
Manganese
Mn
25
54.9 u
665