5.2.2.4 properties of small molecules Flashcards
1
Q
Substances that consist of small molecules are usually..
..that usually have relatively low..
A
Gases or liquids,
Usually have low melting and boiling points
2
Q
Small molecules have only _________ forces between the molecules (intermolecular forces)
A
Weak
3
Q
It is these intermolecular forces that are overcome, not the _________ _____, when the substance melts or boils
A
Covalent bonds
4
Q
The intermolecular forces increase with the..
So larger molecules have higher…
A
Size of the molecules
Melting and boiling points
5
Q
Why do small molecular substances not conduct electricity
A
Because the molecules do not have an overall electric charge
6
Q
A
