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BMAT Rafa > C1- Chemical concepts > Flashcards

C1- Chemical concepts Flashcards

1
Q

Bohr model

A

Exist in fixed shells

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2
Q

Volatility

A

How easily a material evaporates

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3
Q

Solution

A

mixture of solute and a solvent that does not separate out

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4
Q

Solute

A

is the substance being dissolved

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5
Q

Solvent

A

the liquid that is being dissolved into

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6
Q

Soluble

A

Will dissolve

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7
Q

Solubility

A

How much will dissolve

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8
Q

Why isn’t nail varnish soluble in water?

A

Molecules strongly attracted to each other (stronger than with molecules of water)
water is attracted to itself

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9
Q

Why is nail varnish soluble in acetone?

A

molecules are attracted to each other

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10
Q

Another name for acetone

A

propanone

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11
Q

Name of main aluminium ore

A

bauxite - aluminium oxide

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12
Q

How can a metal be extracted from its ore?

A

reduction and electrolysis (sometimes displacement)

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13
Q

Reactivity series

A 
Potassium
Sodium
Calcium
Magnesium
Aluminium
Carbon
Zinc
Iron 
Tin 
Copper
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14
Q

Metals extracted by electrolysis

A 
Potassium
Sodium
Calcium
Magnesium
Aluminium
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15
Q

Metals extracted by reduction using carbon

A

Zinc
Iron
Tin
Copper

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16
Q

Bad about electrolysis

A

expensive

17
Q

How is copper purified?

A

Electrolysis

18
Q

What is the liquid in electrolysis called?

A

electrolyte

often metal salt solutions or molten metal oxides

19
Q

Positive electrode

A

Anode

BMAT Rafa (19 decks)

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