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Science > Metals And Non-Metals > Flashcards

Metals And Non-Metals Flashcards

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1
Q

What is sonorous?

A

When metal makes a ringing sound when struck.

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2
Q

Ductile??

A

When a metal can be drawn or pulled together

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3
Q

What is Malleable ?

A

When metal can be beaten into different shapes

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4
Q

Do metals have a high melting point?

A

Yes

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5
Q

What is the symbol for copper?

A

Cu

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6
Q

What is the symbol for zinc?

A

Zen

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7
Q

What is the symbol for aluminium?

A

Al

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8
Q

What is the symbol for iron?

A

Fe

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9
Q

What is the symbol for silver?

A

Ag

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10
Q

What is the symbol for gold?

A

Au

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11
Q

What are the metal exceptions? (2)

A

The alkali metals

Mercury ( room temperature)

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12
Q

Non metal exceptions?

A

Carbon in the form of graphite

Carbon in the form of a diamond(hard)

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13
Q

What is an alloy?

A

Alloys are a mixture of metals

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14
Q

How do you form an alloy?

A

Metals are heated until molten and mixed together

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15
Q

What is the use and composition of brass

A

Copper and zinc

Musical instruments

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16
Q

What is the use and composition of bronze

A

Copper and tin

Statues

17
Q

What is the use and composition of solder?

A

Lead and tin

Soldering

18
Q

What is the use and composition of stainless steel

A

Iron, chromium and nickel

Knives

19
Q

What is the use and composition of Alnwick

A

Aluminium, nickel and cobalt

Powerful magnets

20
Q

What is corrosion?

A

An undesirable process when a metal changes to its ouxide or another compound by combining with oxygen

21
Q

What two metals don’t corrode?

A

Gold and silver

22
Q

What is rusting?

A

The corrosion of iron

23
Q

How does rust form?

A

Surface of iron or steel when exposed to air and water

24
Q

What does iron turn into after rust?

A

Hydrated iron oixide

25
Q

What does iron look like after rusting?

A

Soft crumbly brown substance which flakes off

26
Q

4 ways to prevent rust?

A

Painting
Greasing
Galvanising-coating with zinc
Giving rust a shock- passing an electrical current

27
Q

What happens to copper after it is corrode?

A

Covered with a green substance( Statue of Liberty)

Science (4 decks)

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