covalent bonds Flashcards
1
Q
what is the structure of covalent bonds
A
simple molecular structure
2
Q
high or low melting and boiling points
A
low
3
Q
why do covalent bonds have low melting and boiling points
A
- simple molecular structure
- less energy is needed to overcome the weak intermolecular forces of attraction
4
Q
how does covalent bonds conduct electricity in liquid state
A
- simple molecular structure
- no delocalised electrons to to carry charges
- cannot conduct electricity