👉 Dihydronium (H3O+), also known as hydronium ion, is a compound consisting of one hydrogen atom and one oxygen atom bonded together. It is named after the chemical symbol H3O+, which stands for "hydrogen" and "oxygen." The dihydronium ion has a positive charge on the oxygen atom and a negative charge on the hydrogen atom. In chemistry, dihydrazone can be defined as the product of the reaction between