Metals and its prop's

2. IN PERIODIC TABLE, THE ELEMENTS OF GROUP I (EXCEPY
HYDROGEN), GROUP II(ALL), GROUP III (EXCEPT
BORON),THREE ELEMENTS OF GROUP IV, TWO
ELEMENTS OF GROUP V AND ONE ELEMENT OF GROUP
VI ARE CALLED METALS .

3. PROPERTIES OF
METALS
1) THEY ARE MELLEABLE i.e THEY CAN BE
BEATEN INTO SHEETS.
2) THEY ARE DUCTILE i.e THEY CAN BE
DRAWN INTO WIRES.
3) METALS ARE GOOD CONDUCTORS OF
ELECTRICITY AND HEAT.
4) ALL METALS ARE SOLIDS AT ROOM
TEMPERATURE EXCEPT MERCURY.
5) THEY ARE LUSTROUS i.e THEY HAVE
SHINY SURFACE.

4. SODIUM (Na) is a METAL
 USES OF SODIUM(Na)
1) TO FORM SYNTHETIC RUBBER FROM AN
ORGANIC COMPOUND ISOPRENE C5 H10.
2) FOR THE MANUFACTURING OF CERTAIN
DYES AND DRUGS.
3) IN VAPOUR SODIUM LAMPS. THE
HIGHWAY LAMPS OFTEN HAVE SODIUM THAT
PRODUCE A YELLOW GLOW.
4) FOR THE PURIFICATION OF PETROLEUM, TO
REMOVE SULPHUR FROM IT. THIS PROCESS IS
CALLED DESULPHURIZATION.

5. MAGNESIUM(Mg) is a METAL
USES OF MAGNESIUM(Mg)
 IN THE FORMATION OF LIGHT (Low
Density) CONSTRUCTION ALLOYS.
 TO FORM MAGNESIA MgO. IT IS MIXED
WITH CLAY , PRESSED AND DRIED TO
MAKE REFRACTORY BRICKS FOR
FURNACE LINING.
 MgSO4 SALT IS USED IN PAPER , SOAP
AND PHARMACEUTICAL INDUSTRIES.

6. THANK YOU
 ALL
MY FRIENDS

7. SUBMITTED TO
HISBULLAH ‘SIR’