Portrait of Henry Cavendish

Adapted from ⁠an image by George Wilson (public domain), via Wikimedia Commons.

1731–1810

Henry Cavendish

Discovered hydrogen in 1766.

Element

1HHydrogen
1766

Henry Cavendish showed in 1766 that the flammable gas bubbling off metals in acid was a substance of its own, and later that it burns to make water. Antoine Lavoisier named it hydrogen, the water-former.

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