definitions 2.0 / 5 based on 1 rating ? ChemistryASAll boards Created by: Amie JohnsonCreated on: 26-12-12 09:23 weighted mean mass of an atom of an element compared to 1/12th the mass of an atom of carbon 12 relative atomic mass 1 of 7 weighted mean mass of an atom of an isotope compared to 1/12th the mass of an atom of carbon 12 relative isotopic mass 2 of 7 form of an element with a different number of neutrons and different mass isotope 3 of 7 energy change required to remove each electron in turn successive ionisation energy 4 of 7 the energy required to remove each electron from an atom in a mole of atoms in the gaseous state to form a mole of gaseous ions first ionisation energy 5 of 7 amount of a substance mole 6 of 7 releases OH- ions and alkaline 7 of 7
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