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Science: Chemistry > Metals And Non-Metals > Flashcards

Metals And Non-Metals Flashcards

1
Q

Physical properties of metals

A

Conductor
Ductile
Strong
Malleable
Sonorous
Waterproof
Magnetic
Shiny
Hard

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2
Q

Conductor:

A

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

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3
Q

Ductile

A

Can be shaped into long, thin wires

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4
Q

Malleable

A

Shaped into jewellery

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5
Q

Sonorous

A

Makes a nice sound when you hit it

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6
Q

Strong:

A

Lasts a long time (durable)

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7
Q

Use of gold:

A

Making jewellery

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8
Q

Use of copper:

A

Electrical cables
Saucepans
Electrical wires

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9
Q

Use of calcium:

A

Compounds of this metal are essential for healthy bones and teeth

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10
Q

Use of aluminium:

A

Making aeroplanes
Saucepans
Casing of compasses

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11
Q

Use of iron:

A

Making buildings
Saucepans
Framework of skyscrapers

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12
Q

Use of mercury:

A

This is a liquid metal found in thermometers

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13
Q

Use of steel:

A

Saucepans
Springs
Framework of skyscrapers
Saw blades

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14
Q

Use of bronze:

A

Bells

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15
Q

Use of brass:

A

Bells
Casing of compasses

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16
Q

Use of tungsten:

A

The filament in light bulbs

17
Q

Use of lead:

A

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

18
Q

What is steel?

A

An alloy of iron

19
Q

What is bronze?

A

An alloy of copper and tin

20
Q

What is brass?

A

An alloy of copper and zinc

21
Q

Symbol for gold

A

Au

22
Q

Symbol for copper

A

Cu

23
Q

Symbol for calcium

A

Ca

24
Q

Symbol for aluminium

A

Al

25
Q

Symbol for tin

A

Sn

26
Q

Symbol for zinc

A

Zn

27
Q

Symbol for tungsten

A

W

28
Q

Symbol for lead

A

Pb

29
Q

Symbol for mercury

A

Hg

30
Q

How can we classify elements?

A

Metals
Non-metals
Semi metals or metalloids

31
Q

What do we mean by physical properties?

A

They are features and characteristics that define a material.

32
Q

All materials have…

A

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

33
Q

Steel

A

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

34
Q

What is an alloy?

A

An alloy is a mixture of 2 or more metals

35
Q

How many non-metals are there?

A

21

36
Q

Use of sulfer

A

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

37
Q

Symbol of sulfur

A

S

38
Q

Physical properties of non-metals

A

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

39
Q

Symbol for Oxygen

A

O

Science: Chemistry (7 decks)

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