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Chemistry A-Level OCR > 2.1.2 Compounds, formulae and equations > Flashcards

2.1.2 Compounds, formulae and equations Flashcards

1
Q

give the charge of sodium

A

na+

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2
Q

give the charge of potassium

A

k+

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3
Q

give the charge of silver

A

ag+

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4
Q

give the charge of hydrogen

A

H+

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5
Q

give the charge of ammonium

A

nh4+

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6
Q

give the charge of copper 1

A

cu+

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7
Q

give the charge of magnesium

A

mg+2

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8
Q

give the charge of calcium

A

ca+2

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9
Q

give the charge of iron 2

A

fe+2

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10
Q

give the charge of zinc

A

zn+2

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11
Q

give the charge of lead 2

A

pb+2

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12
Q

give the charge of copper 2

A

cu+2

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13
Q

give the charge of nickel 2

A

ni+2

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14
Q

give the charge of aluminium

A

al+3

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15
Q

give the charge of chromium 3

A

cr+3

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16
Q

give the charge of iron 3

A

fe+3

17
Q

give the charge of hydroxide

A

oh-

18
Q

give the charge of sulphate

A

so4-2

19
Q

give the charge of carbonate

A

co3-2

20
Q

give the charge of nitrate

A

no3-

21
Q

give the charge of hydrogencarbonate

A

hco3-

22
Q

give the charge of phosphate

A

po4-3

23
Q

give the charge of manganate

A

mno4-1

24
Q

give the charge of chromate 4

A

cro4-2

25
Q

give the charge of dichromate

A

cr2o7-2

26
Q

give the charge of sulphite

A

so3-2

27
Q

state the solubility of nitrates

A

all soluble

28
Q

state the solubility of sulphates

A

mostly soluble except for lead sulphate and barium sulphate

29
Q

state the solubility of chlorides, bromides and iodides

A

mostly soluble is except for lead and silver halides

30
Q

state the solubility of carbonates

A

mostly insoluble except for sodium carbonate and potassium carbonate

31
Q

state the solubility hydroxides

A

mostly insoluble except for sodium hydroxide and potassium hydroxide

32
Q

state the solubility of oxides

A

all insoluble

33
Q

acid + alkali =

A

salt + water

34
Q

acid + metal carbonate =

A

salt + water + carbon dioxide

35
Q

acid + metal oxide =

A

salt + water

36
Q

displacement reaction

more reactive metal + less reactive metal compound solution =

A

more reactive metal compound solution + less reactive metal

37
Q

precipitation reaction

AX (aq) + BY (aq) =

A

BX (s) + AY (aq)

Chemistry A-Level OCR (28 decks)

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