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GCSE
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Card 6
Front
Empirical formula: the simplest whole number ratio of atoms of each element in a compound
Back
Card 7
Front
Molecular formula: The actual number of atoms of each element present in a molecule.
Back
Card 8
Front
Acid: A molecule which releases hydrogen ions when dissolved in water.
Back
Card 9
Front
Base: a substance which neutralises an acid.
Back
Card 10
Front
Salt: product formed when the hydrogen ion of an acid is replaced by a metal ion or ammonium.
Back
Card 11
Front
Ionic bond: the electrostatic attraction between oppositely charged ions.
Back
Card 12
Front
Covalent bond: shared pair of electrons
Back
Card 13
Front
Dative covalent: a bond where both electrons are donated by the same atom
Back
Card 14
Front
Oxidation number: the number of electron that an atom uses to bond with another atom in a molecule.
Back
Card 15
Front
Oxidation number: the number of electron that an atom uses to bond with another atom in a molecule.
Back
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