Exam (elaborations)
A-level Chemistry Definitions questions and answers well illustrated.
chemistry
chemistry
sotopes - ANS.atoms of the same element with different numbers of neutrons atomic (proton) number - ANS.the number of protons in the nucleus of an atom mass (nucleon) number - ANS.the number of particles (protons and neutrons) in the nucleus ion - ANS.a positively or negatively charged atom or (covalently bonded) group of atoms (molecular ion) relative isotopic mass - ANS.the mass of an atom of an isotope compared with one twelfth of the mass of an atom of carbon-12 relative atomic ma...
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