英和和英

a monster called 'momonga'

an atom of hydrogen

atom

an ion or radical derived from ammonia and by combination with a hydrogen ion or atom, called ammonium

atomic hydrogen

an atom of carbon

ammoniated mercury

an amino acid, called methionine

atomic weight

nuclear power

diatomic

methylated spirit

a hydrocarbon, called methane

a hydrogen atom

the nucleus of deuterium

an element called promethium

manganic acid.

humic acid

chromic acid

subatomic particles

ammonium sulfate

liquefied ammonia

a gaseous element called hydrogen

a rare-earth element called europium

of a sexagenary cycle, a cycle called 'boshin'

having valence

excite the atoms

ammonium phosphate

caustic lime

potassium bromide