noun

hydrogen

hydrogen

Water is composed of hydrogen and oxygen.

Water is composed of hydrogen and oxygen.

Hydrogen is the most abundant chemical element.

Hydrogen is the most abundant chemical element.

hydrogen Hydrogen is a colorless, odorless gas.

Synonyms: H (chemical symbol)

From Greek 'hydro-' (water) and '-gen' (producing), because it produces water when it burns.

Think 'hydro-generator'. It 'generates' water (H₂O) when combined with oxygen.

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