Letters that make hydrogen
o, d, e, g, n, h, r, y are letters that make 'hydrogen'
o, d, e, g, n, h, r, y are letters that make 'hydrogen'
1 possible definitions for 'hydrogen'
Under this definition, hydrogen is a noun and has the following properties:
H, atomic number 1 have the same meaning as 'hydrogen'
'hydrogen' can be a type of chemical element, element, gas.
tritium is a type of hydrogen.
hydrogenate is a derivative of hydrogen.