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AS Chemistry Module 1 > 1.1 - Formulae, Equations and Amounts Of Substances > Flashcards

1.1 - Formulae, Equations and Amounts Of Substances Flashcards

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1
Q

Sulfate

A

SO4

2-

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2
Q

Sulfite

A

SO3

2-

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3
Q

Thiosulfate

A

S2O3

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4
Q

Hydrogensulfate

A

HSO4

-1

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5
Q

Hydrogencarbonate

A

HCO3

-1

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6
Q

Carbonate

A

CO3

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7
Q

Nitrate

A

NO3

-1

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8
Q

Nitrite

A

NO2

-1

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9
Q

Phosphate

A

PO4

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10
Q

Chlorate

A

ClO3

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11
Q

Hypochlorite

A

ClO

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12
Q

Hydroxide

A

OH

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13
Q

Dichromate

A

Cr2O7

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14
Q

Chromate

A

CrO4

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15
Q

Permanganate

A

MnO4

-1

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16
Q

Ammonium

A

NH4

+1

17
Q

Avagrado’s constant definition

A

Number of atoms (6.02x10^23) in 12.000 grams of carbon-12

18
Q

What is a mole?

A

The amount of substance which contains the Avagrado number of atoms, molecules or groups of ions.

19
Q

What is molar mass?

A

The mass of one mole of a substance

20
Q

What is an anhydrous salt?

A

A salt which contains no water of crystallisation

21
Q

What is a hydrated salt?

A

A salt which contains water of crystallisation.

22
Q

What is water of crystallisation?

A

Water chemically bonded within a crystal structure

23
Q

Molecular Ion Definition

A

Two or more atoms covalently bonded with an overall charge.

AS Chemistry Module 1 (11 decks)

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