Atoms don't exactly have chemical formulas.
You simply uses the symbol of whatever element it is.
Atomss
Formula: N2O3
Number of straight sides = 6.
Hco3-1.
This formula is PCl5.
H2O two Hydrogen atomss and One Oxygen atom
Pi x radius squared ∏r2
YES HERES THE SYMBOL SymbolCl AND FORUMULA FormulaCl2
Dihydrogen monoxideThe chemical forumula for water is H2O -- is that what you mean?
Diatomic molecules. H2, F2, I2, O2, Br2 and so on.
I believe you are referring to Sodium bicarbonate or better known as baking soda. It has the forumula NaHCO3
The forumula for Barium Carbonate is BaCO3