Terms & Definitions
The electrostatic attraction between the nuclei of two atoms and a shared pair of electrons
What is covalent bonding?
Molecules with the same structural formula but a different spatial arrangement of atoms
What are stereoisomers?
The distance between the nuclei of two covalently bonded atoms
What is bond length?
One twelfth of the mass of a carbon-12 atom
What is the unified atomic mass unit?
First Ionisation Energy
What is the energy required to remove 1 mole of electrons from 1 mole of atoms of an element in the gaseous state to form 1 mole of gaseous ions?
Neutralisation Enthalpy Change
What is the enthalpy change when one mole of water is formed by the reaction of an acid with an alkali under standard conditions?