Simple molecular substances Flashcards
1
Q
What are simple molecular substances?
A
Simple molecular substances are substances that contains small numbers of covalent molecules.
2
Q
Why do simple molecular substances have low boiling and melting points?
A
They have weak intermolecular forces(because of the small number of molecules) so require little energy to overcome.
3
Q
Mention three(3) examples of simple molecular substances.
A
Cl-Cl
I-I
Br-Br
4
Q
simple molecular substances does not conduct electricity, why?
A
They have no free electrons to carry charge and the molecules in the cell have no electric charge.