CHEM1903 Final: CHEM1903 Final Exam Notes + Study Guide (Final Exam)
Document Summary
Atoms are made of subatomic particles (protons, neutrons, electrons) Atoms of an element have identical atomic number, but have different atomic masses (isotopes) Atoms of one element can"t be converted into atoms of another element. Atoms of an element are identical and unique compared to other elements" atoms. Compounds result from chemical combination of different elements" atoms in specific ratios. Spectroscopy and spectrometry: atoms and molecules are identified by a set of techniques known collectively as, separation of resulting ions, detection of ions. Ions follow curved path through magnetic field smallest ions deflected most (sharp angle), most massive ions deflected least. Nucleons, nuclides and isotopes: the unit of mass for nucleons is the amu, defined by setting the mass of 12. 12. 00000 1 amu ~ 1. 66 x 10 27kg. 6c to exactly: atomic and molecular masses are measured by mass spectrometry (developed by fw spectroscopy, techniques can involve examining, electrons in the species, atomic and molecular motions.
