Polarity

Polar molecules

________ have a net dipole moment due to the unequal sharing of electrons between atoms in a molecule.

Non-polar molecules

______ have lower boiling and melting points due to weaker intermolecular forces.

Polar molecules

________ have higher boiling and melting points due to stronger intermolecular forces.

Non-polar Molecules

oxygen, carbon dioxide, nitrogen and methane are _____

Polar Molecules

Water is a _______

Non-polar molecules

______ Pass through a membrane freely

aquaporins

large quantities of water move via _______

Water

_________ needs a channel to pass through

Osmosis

Water moves across a select permeable membrane via _____

Solute

Water(solvent) moves to the _______ ALWAYS

Osmolarity

how much '‘stuff’’ is in a cell