Question

a covalent bond forms in a water molecule between hydrogen and hydrogen between oxygen and oxygen between hydrogen and oxygen

Explanation:

A water molecule has the formula \(H_2O\). In a water molecule, each hydrogen atom shares electrons with the oxygen atom. This sharing of electrons forms a covalent bond. Hydrogen - hydrogen bond is not present in a water molecule as there are no two hydrogen atoms bonded directly to each other in the \(H_2O\) structure. Oxygen - oxygen bond is also not present as there is only one oxygen atom in a water molecule.

Answer:

between hydrogen and oxygen