The term ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. hydrogen is a colorless, odorless, highly flammable gas, the chemical element of atomic number 1 carbonic acid <span>Carbonic acid is a chemical compound with the chemical formula H₂CO₃. It is also a name sometimes given to solutions of carbon dioxide in water, because such solutions contain small amounts of H₂CO these are all i know</span>
