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Chemistry > Reactivity of metals > Flashcards

Reactivity of metals Flashcards

1
Q

What is the reactivity series from high to low (15)

A

Potassium
Sodium
Lithium
Calcium
Magnesium
Aluminium
(Carbon)
Zinc
Iron
Tin
Lead
(Hydrogen)
Copper
Silver
Gold

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2
Q

What happens when potassium/sodium/lithium/calcium reacts with water

A

Fizzes and gives off hydrogen gas

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3
Q

What happens if potassium, sodium or lithium reacts with an acid

A

Explodes

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4
Q

What happens if magnesium, aluminium, zinc or iron reacts with water

A

Reacts very slowly

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5
Q

What happens if calcium, magnesium, aluminium, zinc or iron reacts with acid

A

Fizzes and gives off hydrogen gas

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6
Q

What happens if tin or lower water

A

No reaction

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7
Q

What happens if tin or lead reacts with acid

A

Slow reaction

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8
Q

What happens if copper silver or gold react with acid

A

No reaction

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9
Q

How to extract potassium to aluminium

A

Electrolysis

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10
Q

How is zinc to lead extracted

A

Reduction with carbon

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11
Q

How are silver and gold extracted

A

Mined from Earths crust

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12
Q

What is an ore

A

Rock containing enough of a metal compound to be economically worth extracting

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13
Q

Why do some metals have to be extracted using electrolysis

A

They are more reactive than carbon

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14
Q

Why do some metals need to be extracted by reduction with carbon

A

They are less reactive that carbon

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15
Q

What is oxidation in terms of oxygen

A

Gaining of oxygen

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16
Q

What is reduction in terms of oxygen

A

Losing of oxygen

17
Q

What are displacement reactions

A

A more reactive elements take the place of a less reactive element in a compound

18
Q

What does a metals reactivity depend on

A

How readily it forms an ion by losing electrons

19
Q

What is oxidisation in terms of electrons

A

Loss of electrons

20
Q

What is reduction in terms of electrons

A

Gain of electrons

Chemistry (20 decks)

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