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Essential GCSE Flashcards

1
Q

group 1 elements

A

form +1 ions

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2
Q

group 2 elements

A

form +2 ions

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3
Q

group 3 elements

A

form +3 ions

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4
Q

group 4 elements

A

rarely form ions

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5
Q

group 5 elements

A

form -3 ions

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6
Q

group 6 ions

A

form -2 ions

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7
Q

group 7 ions

A

form -1 ions

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8
Q

group 0 elements

A

don’t form ions

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9
Q

hydrogen

A

h+

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10
Q

ammonium

A

nh4+

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11
Q

silver

A

ag+

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12
Q

lead (II)

A

pb2+

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13
Q

zinc

A

zn2+

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14
Q

iron (II)

A

Fe2+

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15
Q

copper (II)

A

cu2+

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16
Q

hydroxide

A

OH-

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17
Q

nitrate

18
Q

sulphate

19
Q

sulphite

20
Q

carbonate

21
Q

hydrogencarbonate

22
Q

phosphate

23
Q

ethanoate

24
Q

hydrogen element

25
Q

hydrogen peroxide

26
Q

sulphur dioxide

27
Q

methane

28
Q

ammonia

29
Q

acid + alkali

A

salt + water

30
Q

acid + base

A

salt + water

31
Q

acid + metal

A

salt + hydrogen

32
Q

acid + carbonate

A

salt + water + carbonate

33
Q

acids release

A

h+ ions in aqueous solution

34
Q

alkalis release

A

oh- ions in aqueous solution

35
Q

a base is

A

a substance that neutralises an acid. metal oxides and metal hydroxides are bases

36
Q

a salt is

A

formed by replacing the h+ ion in an acid with another positive ion

37
Q

sulphuric acid

38
Q

nitric acid

39
Q

hydrochloric acid

40
Q

ethanoic acid

Chemistry (17 decks)

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