because, as you may have already noticed, hydrogen starts with H.
The symbol for hydrogen is H, and the symbol for helium is He.
The letter H is the chemical symbol for the element hydrogen.
The letter H is the chemical symbol for the element hydrogen.
The symbol (He) comes from the first two letters of the word Helium
The atomic symbol for hydrogen is H.
Hydrogen is a chemical element with the symbol H and atomic number 1.
2H2
Hydrogens chemical sign is 'H'.
H is the symbol
Thhara are four H etoms.Centre atom is Carbon
The chemical symbol for hydride is H-.
The symbol for hydrogen on the periodic table is H.
The symbol for hydrogen is H, and the symbol for helium is He.
It has two H's and one O. Or two hydrogens and one oxygen.
The letter H is the chemical symbol for the element hydrogen.
The symbol for hour is h.
H is the symbol of hydrogen.