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  • 1. PEPSIUM metal moderate activity weight = 18 outer shell = 2 TINNER weight = 22 outer shell = 3 mild activity THERMO very active nonmetal outer shell = 7 metal/nonmetal weight = 28 BENZILLA outer shell = 2 electrons weight = 37 moderate activity EYEUNKNOWN 1. outer shell = 3 2. metal/nonmetal 3. weight = 40 SINKER nonmetal weight = 43 outer shell = 7 metal 4. activity = very active COBAULK moderate activity weight = 58 outer shell = 2 DUMBELLIUM outer shell = 3 mild activity weight = 61 FRUSTRATIUM very active nonmetal outer shell = 7 metal metal/nonmetal weight 72 mild activity
  • 2. Review Elements Periodic Table Trends and patterns on the table
  • 3. Isotopes Atoms of the same element with different numbers of neutrons They also have a different atomic mass than the majority
  • 4. Isotopes The atomic number tells you: The number of protons and The number of electrons 13 Al Aluminum 26.98
  • 5. Isotopes  Number of neutrons?  Atomic mass minus the atomic number  Atomic mass to the nearest whole number! 13 Al Aluminum 26.98
  • 6. Isotopes  Number of neutrons?  Atomic mass minus the atomic number  Atomic mass to the nearest whole number! 13 Al Aluminum 26.98

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