Chemistry topic 1- Moles

atoms of the same element that has the same number of protons but has different number of neutrons
Isotope
1 of 9
the weighted mean mass of an atom of an element relative to one twelfth the mass of an atom of carbon twelve. It is not always a whole number
Relative Atomic Mass
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the sum of the relative atomic masses of the atoms in the numbers shown in the formula
Relative Formula mass
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the relative formula mass of a covalent compound
Relative Molecular Mass
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the percentage of an element in a compound
% by Mass
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the number of atoms of an element or compound which have a certain mass
a mole
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mass (G) / R.A.M =
Moles
7 of 9
moles * R.A.M =
Mass (g)
8 of 9
mass (g) / moles =
Relative Atomic Mass
9 of 9

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Card 2

Front

the weighted mean mass of an atom of an element relative to one twelfth the mass of an atom of carbon twelve. It is not always a whole number

Back

Relative Atomic Mass

Card 3

Front

the sum of the relative atomic masses of the atoms in the numbers shown in the formula

Back

Preview of the front of card 3

Card 4

Front

the relative formula mass of a covalent compound

Back

Preview of the front of card 4

Card 5

Front

the percentage of an element in a compound

Back

Preview of the front of card 5
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