covalent bonding Flashcards
1
Q
what is a covalent bond
A
it is formed when two atoms share a pair of electrons
2
Q
why are covalent bonds formed
A
to get a full outer shell of electrons
3
Q
what are simple molecular substances
A
it is made up of molecules that contain few atoms joined by covalent bonding
4
Q
properties of simple molecular substances
A
the covalent bond between the atoms are very strong
the melting and boiling points are very low
the molecules are attracted to each other
they don’t conduct electricity
5
Q
what are the forces of attraction between molecules called
A
intermolecular forces
they are very weak
