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AQA A-level Chemistry Paper 1 COMPREHENSIVE questions answered, 2025 verified graded A+ already passed!

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6/13/25, 7:52 AM AQA A-level Chemistry Paper 1 COMPREHENSIVE questions answered, 2025 verified graded A+ already passed! Flashcards | Qui…




AQA A-level Chemistry Paper 1 COMPREHENSIVE
questions answered, 2025 verified graded A+
already passed!

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Terms in this set (35)


Explain what is meant by a covalent bond in which both electrons are donated
the term co-ordinate by one atom
bond

Atom, ion or molecule which can donate a pair of
Define the term Ligand
electrons to a metal ion

What can lattice enthalpy Lattice enthalpy of formation and lattice enthalpy of
defined as? (2 things) dissociation

Why is the experimental the bonding is not 100% ionic/ there is some covalent
value for lattice character/ there is additional covalent bonding
dissociation of some
compounds greater than
the theoretical value?

The bonding in the compound is not 100% ionic. In the
what does the perfect
model the ions are perfect spheres/point charges are
ionic model assume?
not distorted

What 2 things might cause Enthalpy of bond dissociation (eg halogens)
a different lattice Enthalpy of formation
enthalpy?




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