3. They are hard and strong
solid metals
They are harder than the
They are very good
conductors of heat
(thermal) and electricity
metals in Groups 1 and 2
Physical
Properties
These metals have high
melting and boiling points
(higher than Group 1 and 2
metals)
They have much higher
densities than Group 1 and 2
metals
9. These metals
are less
reactive
They formed
a range of
brightly
colored
compounds
These metals
do not react
quickly with
oxygen and
water
They show
catalytic
activity as
elements and
compounds
10. Iron Use
Iron is used in the industrial production of ammonia
gas
11.
12. Simple ions
•With more than one oxidation
state
Complicated ions
•with high oxidation states
13. Simple Ions
Copper reacts with Oxygen to give Calcium Oxide
Cu+ + O2-
Cu2O
Copper reacts with Sulfate to give Copper Sulfate
Cu+ + SO4CuSO4
14. Simple Ions
Iron reacts with Sulfate to give Iron(II) Sulfate
Fe2+ (Fe (II) ) + SO42FeSO4
Iron reacts with Chlorine to give Iron (III) Chloride
Fe3+ (Fe (III) ) + ClFeCl3