The atomic number for hydrogen is 1.とは 意味・読み方・使い方

The atomic number for hydrogen is 1.

the anion OH having one oxygen and one hydrogen atom

A water molecule has two hydrogen atoms and one oxygen atom.

a molecular component ion called a hydrogen ion

a condition of containing many hydrogen atoms

A molecule of water is made up of one oxygen and two hydrogen atoms.

the number of hydrogen atoms in one acid molecule that are displaceable, called

an atom of hydrogen

The chemical symbol H expresses hydrogen.

a hydrogen atom

atomic hydrogen

a radioactive isotope of hydrogen

water containing a substantial proportion of deuterium atoms, used in nuclear reactors

a gaseous element called hydrogen

an isotope of hydrogen, called deuterium

The chemical formula for water is H₂O.

the composition of the hydrogen atom

atomic mass named hydroxyl group

the chemical symbol for water

The chemical formula for water is H-O-H.

the nucleus of deuterium

the oxidation number of hydrogen is +1 and of oxygen is -2

“H” is the symbol of hydrogen.

The chemical formula for water is H-O-H.

a methyl with hydroxide replacing the hydrogen atoms

The chemical formula of hydrogen peroxide is H2O2.

a halocarbon in which some hydrogen atoms have been replaced by fluorine

a rarely extractable gaseous element whose atomic number is 2, called helium

The atomic number of neptunium is 93.

Hydrogen combines with oxygen to form water.