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Chemistry GCSE > A level > Flashcards

A level Flashcards

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1
Q

Acid + metal

A

Salt + hydrogen

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2
Q

Acid + alkali

A

Salt + water

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3
Q

Acid + metal oxide

A

Salt + water

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4
Q

Acid + metal carbonate

A

Salt + water + carbon dioxide

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5
Q

Simple molecular - bonding

A

Strong covalent bonds between atoms

Weak intermolecular forces ( between molecules)

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6
Q

Simple molecular - bp and mp

A

Low - intermolecular forces are week and need little energy to overcome

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7
Q

Simple molecular - conduction

A

Not a conductor - no delocalised electrons and no charged particles (ions)

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8
Q

Giant covalent - bonding

A

Strong covalent bonds between atoms

Giant structure

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9
Q

Giant covalent - e.g.

A

diamond, silica, graphite

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10
Q

Giant covalent - bp and mp

A

High - covalent bonds are strong, and there are lots of the, a lot of energy is needed to overcome them

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11
Q

Giant covalent - conduction

A

Only graphite - has delocalised electrons to carry a charge throughout the structure

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12
Q

Ionic - bonding

A

Strong electrostatic forces of attraction between oppositely charged ions
Giant structure

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13
Q

Ionic - bp and mp

A

High - ionic bonds are strong and need lots of energy to overcome

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14
Q

Ionic - conduction

A

When molten or dissolved - the ions are free to move and carry a charge through the structure

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15
Q

Metallic - bonding

A

Regular arrangement of positive ions surrounded by delocalised electrons
Giant structure

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16
Q

Metallic - bp and mp

A

Usually high - strong and need lots of energy to overcome

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17
Q

Metallic - conduction

A

Yes - delocalised electrons carry a charge through the structure

18
Q

Liquid over greater temp range

A

Stronger intermolecular forces of attraction

19
Q

Test for carbonates

Result:

A

add dilute acid

co2 produced

20
Q

Test for sulphates

Result:

A

add barium chloride and hydrochloric acid

white precipitate

21
Q

Test for halides

Result:

A

add silver nitrate with nitric acid
chloride - white
bromide - cream
iodide - yellow

22
Q

Test for oxygen

Result:

A

glowing splint

relights

23
Q

Test for hydrogen

Result:

A

burning splint

squeaky pop

24
Q

Test for co2

Result:

A

limewater

goes cloudy

25
Q

Test for chlorine

Result:

A

damp litmus paper

bleached

26
Q

Test for alkenes

Result:

A

bromine water

orange to colourless

27
Q

Test for carboxylic acid

Result:

A

reacts with carbonate

carbon dioxide

28
Q

Test for alcohol

Result:

A

reacts with sodium

hydrogen

29
Q

alkanes

A

C - H

30
Q

alkenes

A

C = C

31
Q

alcohols

A
  • OH
32
Q

carboxylic acids

A
  • COOH
33
Q

esters

A
  • COO
34
Q

alkenes + hydrogen

A

alkanes

35
Q

alkenes + steam

A

alcohol

36
Q

alkenes + halogens

A

halogen alkanes

37
Q

alcohols + sodium

A

hydrogen

38
Q

alcohols + carboxylic acids

A

esters

39
Q

alcohols + oxygen

A

carboxylic acids

40
Q

carboxylic acid + alcohols

A

esters

41
Q

esters - hydrolysis

A

carboxylic acid and alcohol

Chemistry GCSE (10 decks)

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