Metals And Non-metals Flashcards

0
Q

Sonorous?

A

If you hit it, it makes a noise.

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1
Q

Properties of metals?

A

Heat conductor, shiny, sonorous, ductile, malleable, high melting point, hard & dense, electrical conductors.

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2
Q

Ductile?

A

Can be drawn out into wire.

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3
Q

Malleable?

A

Can be hammered into different shapes.

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4
Q

Alloy?

A

Mixture of metals.

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5
Q

Corrosion

A

Undesirable process whereby a metal changes to its oxide or some other compound by combining with oxygen from the air.

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6
Q

Rusting

A

Is the corrosion of iron

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7
Q

Prevent rust

A

Galvanising painting greasing

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8
Q

Galvanising

A

Coating with zinc

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9
Q

Activity series

A
  • All metals have similar properties but do not react at the same rate.
  • A good way to compare metals is to see how they react with water and acid.
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10
Q

Reactivity

A

Calcium magnesium zinc copper (cats make zebras cry)

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11
Q

Metals react to an acid

A

Hydrogen gas is given off

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12
Q

Zinc reacts with hydrochloride acid to form

A

Zinc, chloride and hydrogen

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