F321 chemistry definitions 0.0 / 5 ? Chemistryatoms, moles and equationsASAll boards Created by: BethCreated on: 28-12-13 11:52 acid a proton donar 1 of 7 isotope atoms of the same element with a different number of neutrons 2 of 7 relative isotopic mass the mass of an atom of an isotpe compared with 1/12 of the mass of an atom of carbon 12 3 of 7 atomic orbital a region within an atom that can hold up to two electrons , with opposite spins 4 of 7 redox a reaction where both oxidation and reduction takes place 5 of 7 oxidation number the meausre of the number of electrons an atom uses to bond with another electron 6 of 7 ionic bond the electrostatic attraction between oppositely charged ions 7 of 7
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