Chemistry in Context: Applying Chemistry to SocietyWm. C. Brown, 1997 - 502 pagine This text is designed to encourage scientific literacy through presentations of the political, social and economic implications of chemical facts and phenomena. |
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Pagina 41
... isotope of hydrogen . Isotopes are two ( or more ) forms of the same element whose atoms differ in number of neutrons and hence in mass . Isotopes are identified by their mass numbers - the sum of the number of protons and the number of ...
... isotope of hydrogen . Isotopes are two ( or more ) forms of the same element whose atoms differ in number of neutrons and hence in mass . Isotopes are identified by their mass numbers - the sum of the number of protons and the number of ...
Pagina 71
... isotopes . a . carbon - 14 or C - 14 ( a radioactive isotope used to date artifacts ) b . iodine - 131 or I - 131 ( a radioactive isotope used to treat overactive thyroids ) c . bismuth - 209 or Bi - 209 ( the heaviest stable isotope ) ...
... isotopes . a . carbon - 14 or C - 14 ( a radioactive isotope used to date artifacts ) b . iodine - 131 or I - 131 ( a radioactive isotope used to treat overactive thyroids ) c . bismuth - 209 or Bi - 209 ( the heaviest stable isotope ) ...
Pagina 89
... isotope is also very important in determining the origin of the increas- ing atmospheric carbon dioxide . In all ... isotope dominates and is by far the most plentiful . Therefore , the experimentally determined atomic mass will be close ...
... isotope is also very important in determining the origin of the increas- ing atmospheric carbon dioxide . In all ... isotope dominates and is by far the most plentiful . Therefore , the experimentally determined atomic mass will be close ...
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absorbed acid rain aspirin atmosphere atomic number average batteries bonds burning calcium Calculate carbon atoms carbon dioxide CFCs Chapter chemical Chemical & Engineering chemists chloride coal combustion compounds concentration Consider contains converted cost decrease drug effects electricity elements emissions environmental equation example fats Figure fission formula fossil fuels gases gasoline global warming grams greenhouse H₂O heat hydrogen atoms increase ions isotope liquid mass number mercury methane million molar mass mole molecular structure molecules neutrons nitrogen oxides nuclear fission nuclear power octet rule Onondaga Lake outer electrons oxygen oxygen atoms ozone particles photon plastic pollution polyethylene polymers power plant problem properties protein radiation radioactive react reaction reactor recycling released Sceptical Chymist Section sodium solar solubility solution Solvay Solvay process steroids stratospheric substances sulfur dioxide temperature tion tons United wavelength