hydrogen

Các nghĩa

1. hiđrô · hi-đrô · hyđrô

   The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.

   uncountable

2. nguyên tử hiđrô

   An atom of this element.

   countable

   Each carbon of the ring has one hydrogen attached except for the fourth one, which is bonded to a substituent.

3. khí hiđrô

   Molecular hydrogen (sense 1; symbol H₂), a colourless, odourless and flammable gas at room temperature.

   uncountable

   A large tank of hydrogen constituted most of the bulk of that rocket.

4. phân tử hiđrô

   A molecule of this molecular species.

   countable

5. proti

   Synonym of protium (“the lightest and most common isotope of hydrogen (sense 1; symbol H, ¹H, or 11H), as contrasted with deuterium and tritium”).

   uncountable

   Both hydrogen and deuterium are present in every glass of water that you drink, but the amount of deuterium is rather small.

Dạng khác

• hydrogens plural