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ChronoRank
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ChronoRank #96
ChronoRank #96
Chemical elements, by discovery ↓
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Phosphorus — Hennig Brand
Sodium — Humphry Davy
Helium — spotted in the Sun's spectrum during an eclipse
Radium — Marie and Pierre Curie
Einsteinium — found in the fallout of the first hydrogen bomb
Hydrogen — Henry Cavendish
1669
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1766
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1807
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1868
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1898
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1952
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