7. If the two charges have the
same sign, the electrostatic
force between them is
repulsive
Water consists of an oxygen atom
bound to two hydrogen atoms by
two single covalent bonds.
10. Covalent bond
Within a water molecule the
bonds between oxygen and
hydrogen are highly polar.
- oxygen is partially negative
- hydrogen is partially positive
Hydrogen bond
Hydrogen bonds can form
between water molecules or
between water and another
charged molecule.
10