(すいそ)

すいそ
noun
hydrogen
1. hydrogen
A colorless, odorless gas that is the lightest chemical element (H).
Water is made of hydrogen and oxygen.
Hydrogen cars are environmentally friendly.
A hydrogen bomb is more powerful than an atomic bomb.

水素(すいそ) is hydrogen, the lightest element on the periodic table.

Common compounds:

  • 水素(すいそ)自動車(じどうしゃ) (hydrogen car)
  • 水素(すいそ)燃料(ねんりょう) (hydrogen fuel)
  • 水素(すいそ)電池(でんち) (hydrogen fuel cell)
  • 水素(すいそ)爆弾(ばくだん) (hydrogen bomb, H-bomb)
  • 水素(すいそ){エネルギー} (hydrogen energy)

Chemistry notes:

  • Chemical symbol: H
  • Atomic number: 1
  • (みず) (H₂O) = 水素(すいそ) (H) × 2 + 酸素(さんそ) (O)

Related elements:

  • 酸素(さんそ) (oxygen)
  • 窒素(ちっそ) (nitrogen)
  • 炭素(たんそ) (carbon)