A water molecule has one oxygen atom and two hydrogen atoms that are bonds.

Covalent bonds.

Explanation:

They can also be called molecular bond as it is a chemical bond that involves electron sharing between pairs of atoms.  The said electron pairs are known to be shared pairs or bonding pairs, which stable balance of attractive and repulsive forces amongst atoms, when electrons are been shared, is known as covalent bonding.

They are way more common in organic chemistry than in ionic bonds.

the product of the pressure and volume is also constant