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A level Chemistry Paper 1- Foundations in Chemsitry > Compounds, formula and equations > Flashcards

Compounds, formula and equations Flashcards

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1
Q

What is the formula of iron three

A

Fe3+

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2
Q

what is the formula of aluminium (ion)?

A

Al3+

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3
Q

what is the formula of iron II??

A

Fe2+

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4
Q

what is the formula of silver (ion)?

A

Ag+

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5
Q

what is the formula of zinc (ion)?

A

Zn2+

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6
Q

What is the formula of sulphide?

A

S2-

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7
Q

what is the formula of chloride, fluoride and iodide?

A

Cl-, F-, I-

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8
Q

what is the formula of nitride?

A

N3-

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9
Q

What is the formula of oxide?

A

o2-

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10
Q

What is the formula of ammonium?

A

NH4+

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11
Q

what is the formula for ammonia?

A

NH3

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12
Q

what is the formula for nitrate?

A

NO3-

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13
Q

What is the formula for carbonate?

A

CO3 2-

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14
Q

what is the formula for sulphate?

A

SO4 2-

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15
Q

what is the formula for nitrite(nitrate 3)

A

NO2-

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16
Q

what is the formula for hydrocarbonate?

A

HCO3-

17
Q

what is the formula of a manganate (VII)

A

MnO4-

18
Q

what is the formula for sulfite (sulfate (IV)

A

SO3 2-

19
Q

What is the formula for dichromate?

A

Cr2 O7 2-

20
Q

what is the mneumonic to remember diatomic elements?

A

have no fear of ice cold beer

21
Q

What does decomposition mean?

A

Breaking down

22
Q

what is the state of most ionic substances formed in water?

A

Aqueous

23
Q

What are the states of the most acids?

A

Aqueous

24
Q

What is the formula of sulphuric acid?

A

H2SO4

25
Q

What is the formula of nitric acid?

A

HNO3

26
Q

what is the formula of phosphoric acid

A

H3PO4

27
Q

what do ionic equations only show?

A

that ions that are reacting and leave out spectator ions

28
Q

what a spectator ions?

A

ions that are not changing state and not changing oxidation number

29
Q

What are the steps of writing ionic equations?

A

-take full equation
-Separate aqueous into ions
-Cancel out spectator ions, leaving the ionic equation

A level Chemistry Paper 1- Foundations in Chemsitry (7 decks)

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