hydrogen atom meaning

Definition of hydrogen atom

1. an atom of hydrogen

   Type of: atom

   Kinds: acidic hydrogen, deuterium

hydrogen atom in a sentence

• A water molecule has two hydrogen atoms and one oxygen atom.
• An hydrogen atom only has one proton and one electron.
• What is the radius of a hydrogen atom?
• Every molecule of water is composed of two hydrogen atoms attached to an oxygen atom.

How to pronounce hydrogen atom

hydrogen atom is pronounced /ˈhaɪdrədʒən ˈætəm/ in British English and /ˈhaɪdrədʒən ˈætəm/ in American English. It has 5 syllables.