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A-Level Chemistry > Chapter 2 - Atoms, Ions & Compounds, Chapter 3 - Amount Of Substance > Flashcards

Chapter 2 - Atoms, Ions & Compounds, Chapter 3 - Amount Of Substance Flashcards

1
Q

Isotopes

A

Different forms of the same element - same no of protons but diff no of neutrond

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2
Q

Ions

A

Charged atoms

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3
Q

Cations

A

Positive ions

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4
Q

Anions

A

Negative ions

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5
Q

Relative atomic mass

A

Ar - weighted mean mass of an atom of an element relative to 1/12th of the mass of a c-12 atom

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6
Q

Relative isotopic mass

A

Mass of an isotope relative to 1/12th of the mass of C-12

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7
Q

Phosphate ion

A

PO4(-3)

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8
Q

Nitrite ion

A

NO2(-1)

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9
Q

Sulfite ion

A

SO3(-2)

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10
Q

Hydrogen carbonate ion

A

HCO3(-1)

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11
Q

Zinc ion

A

Zn(+2)

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12
Q

Silver ion

A

Ag(+1)

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13
Q

Nitrates solubility

A

Always

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14
Q

Chlorides solubility

A

All except silver and lead chloride

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15
Q

Sulfates solubility

A

All except barium, strontium and lead sulfate

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16
Q

Carbonates solubility

A

All insoluble except group 1 and ammonium carbonates

17
Q

Mole definition

A

Same number of particles as there are in 12g of C12

18
Q

Avogadro’s constant

A

No of particles in a mole
6.02 x 10(^23)

19
Q

What are hydrated salts

A

Compounds(salts) surrounded by molecules of water

20
Q

Water of crystallisation

A

Water part of hydrated molecules

21
Q

1cm^3 in ml

22
Q

1 dm^3 in ml, l, cm^3

A

1000 cm^3
1000 ml
1l

23
Q

1m^3 in dm^3

24
Q

Concentration of solution

A

Amount of solute dissolved in each 1 dm^3 of solution

25
Q

Standard solution

A

Solution of known concentration

26
Q

Molar gas volume

A

Volume per mol of gas molecules at stated room temp and pressure

27
Q

RTP

A

20C and 101kPa(1atm)

28
Q

Idéal gas equation

29
Q

R

A-Level Chemistry (15 decks)

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