Chemistry

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Relative Isotopic Mass
Mass of an atom of an isotope compared with one-twelfth of the mass of an atom of carbon-12
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Relative Atomic Mass
The weighted mean mass of an atom of an element compared with one-twelfth of the mass of carbon-12
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Amount of Substance
The quantity that has moles as its unit
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Mole
The amount of any substance containing as many particles as there are carbon atoms in exactly 12g of the carbon-12 isotope
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Avogadro Constant
The number of atoms per mole of the carbon-12 isotope (6.02 x 10^23 mol^-1)
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Molar Mass
The mass per mole of a substance. The units of molar mass are g mol-1
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Empirical Formula
The simplest whole number ratio of a chemical
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Molecular Formula
A chemical formula that shows the total numbers of atoms in a molecule
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Molar Gas Volume
The volume per mole of gas. The molar volume is approximately 24.0 dm^3 mol^-1
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Concentration
The amount of solute,in mol, dissolved per 1dm^3 of solution
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Standard Solution
A solution of known concentration
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Alkali
A substance that gives a solution with a pH greater than 7.0 when dissolved in water
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Acid
A substance that gives a pH less than 7.0 when dissolved in water.
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Base
A base is a proton acceptor
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Hydrated
A crystalline compound containing water molecules
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Anhydrous
A substance that contains no water molecules
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Water of Crystallisation
Water molecules that form an essential part of the crystalline structure of a compound
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Other cards in this set

Card 2

Front

The weighted mean mass of an atom of an element compared with one-twelfth of the mass of carbon-12

Back

Relative Atomic Mass

Card 3

Front

The quantity that has moles as its unit

Back

Preview of the back of card 3

Card 4

Front

The amount of any substance containing as many particles as there are carbon atoms in exactly 12g of the carbon-12 isotope

Back

Preview of the back of card 4

Card 5

Front

The number of atoms per mole of the carbon-12 isotope (6.02 x 10^23 mol^-1)

Back

Preview of the back of card 5
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