Metals And Non-Metals

Question 1

Physical properties of metals

Answer 1

Conductor
Ductile
Strong
Malleable
Sonorous
Waterproof
Magnetic
Shiny
Hard

Question 2

Conductor:

Answer 2

E.g. a saucepans
Conducts heat
Used in wire to conduct electricity
Gives out light

Question 3

Ductile

Answer 3

Can be shaped into long, thin wires

Question 4

Malleable

Answer 4

Shaped into jewellery

Question 5

Sonorous

Answer 5

Makes a nice sound when you hit it

Question 6

Strong:

Answer 6

Lasts a long time (durable)

Question 7

Use of gold:

Answer 7

Making jewellery

Question 8

Use of copper:

Answer 8

Electrical cables
Saucepans
Electrical wires

Question 9

Use of calcium:

Answer 9

Compounds of this metal are essential for healthy bones and teeth

Question 10

Use of aluminium:

Answer 10

Making aeroplanes
Saucepans
Casing of compasses

Question 11

Use of iron:

Answer 11

Making buildings
Saucepans
Framework of skyscrapers

Question 12

Use of mercury:

Answer 12

This is a liquid metal found in thermometers

Question 13

Use of steel:

Answer 13

Saucepans
Springs
Framework of skyscrapers
Saw blades

Question 14

Use of bronze:

Answer 14

Bells

Question 15

Use of brass:

Answer 15

Bells
Casing of compasses

Question 16

Use of tungsten:

Answer 16

The filament in light bulbs

Question 17

Use of lead:

Answer 17

Flashing - the joins on roofs are waterproof with sheets of lead

Question 18

What is steel?

Answer 18

An alloy of iron

Question 19

What is bronze?

Answer 19

An alloy of copper and tin

Question 20

What is brass?

Answer 20

An alloy of copper and zinc

Question 21

Symbol for gold

Answer 21

Au

Question 22

Symbol for copper

Answer 22

Cu

Question 23

Symbol for calcium

Answer 23

Ca

Question 24

Symbol for aluminium

Answer 24

Al

Question 25

Symbol for tin

Answer 25

Sn

Question 26

Symbol for zinc

Answer 26

Zn

Question 27

Symbol for tungsten

Answer 27

W

Question 28

Symbol for lead

Answer 28

Pb

Question 29

Symbol for mercury

Answer 29

Hg

Question 30

How can we classify elements?

Answer 30

Metals Non-metals Semi metals or metalloids

Question 31

What do we mean by physical properties?

Answer 31

They are features and characteristics that define a material.

Question 32

All materials have...

Answer 32

Specific sets of properties which can make them useful for certain jobs and useless for others.

Question 33

Steel

Answer 33

Pure iron is changed into alloys of steel where small amounts of carbon and other metals are added to the iron.

Question 34

What is an alloy?

Answer 34

An alloy is a mixture of 2 or more metals

Question 35

How many non-metals are there?

Answer 35

21

Question 36

Use of sulfer

Answer 36

A yellow solid that is used in the pharmaceutical industry and fertilisers

Question 37

Symbol of sulfur

Answer 37

S

Question 38

Physical properties of non-metals

Answer 38

Usually liquids or gases Brittle (in a solid state) Low melting point Poor electrical conductors Poor heat conductors

Question 39

Symbol for Oxygen

Answer 39

O