chemistry, unit 5 Flashcards
revision
1
Q
what are complex metal ions?
A
A complex metal ion has a transition metal ion bonded to one or more ligands by dative covalent bonds.
A ligand is a molecule/ion which can donate a pair of electrons to the transition metal.
The co-ordination number is the number of co-ordinate (or dative) bonds.
2
Q
what are Metal oxides and Metal hydroxides?
A
Alumina is the common name for aluminium oxide and it is amphoteric.
It will act as a base or a acid
Acid is compound containing hydrogen that dissociates in water to
form hydrogen ions
Base is a compound that reacts with a acid to form a salt and water.
3
Q
A
