Water (H2O)

Definition

Water is a compound made up of two hydrogen atoms bonded to one oxygen atom. It's a polar molecule, meaning it has a slight positive charge on one side and a slight negative charge on the other.

Related terms

Polar Molecule:

A molecule with an uneven distribution of charge that creates two poles, or regions with opposite charges.

Hydrogen Bonding: A type of intermolecular force where a hydrogen atom bonded to a highly electronegative atom is attracted to another electronegative atom in another molecule.

Covalent Bond: A chemical bond formed by sharing electrons between atoms.