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Bonding (Table Fill) Electrostatic attraction between oppositely charged ions. A shared pair of electrons between two nuclei, where the electrons are attracted to each nucleus. A shared pair of electrons between two atoms where one atom contributes both electrons to the bond. The electrostatic attraction between a regular arrangement of positively charged metal cations and the sea of delocalised electrons. A pair of electrons directly involved in bonding between two atoms. A pair of electrons not involved in intramolecular bonding. The ability of an atom to attract the bonding pair of electrons in a covalent bond towards its nucleus. When a molecule has a partial negative charge on one side and a partial positive charge on the other. A temporary induced dipole–dipole interaction. The strongest intermolecular force formed between molecules where a hydrogen is attached to either a nitrogen, oxygen or fluorine atom and a lone pair of electrons on a neighbouring molecule. The attraction of a negatively charged particle to a particle with a positive charge. A regular 3D arrangement of particles in a crystal structure. Electrons spread out throughout a lattice so that each electron is not associated with any particular atom. The likelihood of finding an electron in a specific region of an atom or molecule. A partial positive charge at one end of a bond with a partial negative charge at the other, arising from a difference in electronegativity between the atoms in the bond. A molecular shape with all bond angles of 180°. A molecular shape that is 2D, with three bonds and a bond angle of 120°. A molecular shape with four bonds, with all bond angles of 109.5°. A molecular shape with five bonds, with bond angles of 90° and 120°. A molecular shape with six bonds, with all bond angle of 90°. Weak interactions that occur between molecules. A structure formed of a few non-metal atoms bonded covalently. A large expanded structure of many repeating bonds. AS and A Level Year 1 AQA Physical and Inorganic Chemistry Keyword Activities | © ZigZag Education 2017