Unit test
unit test review
active
in an investigation that uses the scientific method, which step immediately follows asking a question?
kartu
presenting the results
o making observations
creating a hypothesis
menu
that
wami
rahman
designing an experiment
m
www

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.