Energy required to remove an electron from each atom of a one mole of gaseous atoms to create one mole of gaseous ions.
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Empirical formula
The lowest whole number ration of each element present in a compound
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Molecular formula
The actual number of atoms of each element present in a compound
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Anhydrous
Substance that contains no water molecules
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Electron shielding
The repulsion of electrons in different inner shells, shielding reduces the net attraction force from the positive nucleus on the outer shell electron.
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Atomic radius
The region in which an atom can hold two electrons with opposite spins.
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Oxidation number
Measure of the number of electrons that an atoms used to bond with an atoms of another element, oxidation numbers are derived from a set of rules.
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Salt
Any chemical compound formed from an acid when H+ ions from the acid has been replaced by a metal ion or another positive ion such as ammonium.
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Stoichiometry
Molar relationship between the relative quantities of substances taking part in a reaction.
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Concentration of a solution
Amount of solute , in mol, dissolved per 1dm3.
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Molecule
A small group of atoms held together by covalent bonds.
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Molar mass
Mass per a mole of substance units= g mol-1
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Other cards in this set
Card 2
Front
Empirical formula
Back
The lowest whole number ration of each element present in a compound
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