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Hydrogen
01
氢
a clean and renewable fuel that can be used in fuel cells to generate electricity to power vehicles
例子
In chemistry, hydrogen and oxygen atoms compound to form water molecules.
When hydrogen and nitrogen bond, they form ammonia molecules.
Deuterium and tritium are isotopes of hydrogen, distinguished by their different numbers of neutrons.
The combination of nitrogen and hydrogen produces ammonia, with nitrogen and hydrogen as the reactants.
When molecules of hydrogen and oxygen combine, they form water.