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6.2 Classifying the Elements

6.2 Classifying the Elements. Using the Periodic Table: Entries. Atomic number. Electrons in each energy level. Element symbol. Atomic mass. Using the Periodic Table: Colors. Meaning of text color:. phase ( solid , liquid , gas).

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6.2 Classifying the Elements

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  1. 6.2 Classifying the Elements

  2. Using the Periodic Table: Entries Atomic number Electrons in each energy level Element symbol Atomic mass

  3. Using the Periodic Table: Colors Meaning of text color: phase (solid, liquid, gas)

  4. Using the Periodic Table: More ColorsChemical families are color coded on the periodic table. Halogens

  5. Elements are divided into 2 categories; representative & transitional

  6. Using the Periodic Table: Transitions Transition metals Inner transition metals

  7. Electron Configurations An element’s location in the periodic table gives information about its electron configuration. Energy sublevels Oxygen Silicon Iron 2 1 3 4 5 6 7 8 14 Principal energy levels 26

  8. Noble GasesNoble gases are called inert because the rarely take part in chemical reactions. They have full s & p orbitals. Group 8A Helium (He) 1s2 Neon (Ne) 1s22s22p6 Argon (Ar) 1s22s22p63s23p6 Krypton (Kr) 1s22s22p63s23p63d104s24p6

  9. Representative ElementsGroups 1A-7A. The s & p sub levels are partially full. (Transition elements removed)

  10. Representative Element Examples Lithium, silicon Sulfur Tin

  11. Transition ElementsTransition metals have electrons in the d orbitals, inner transition metals have electrons in the f orbitals. Transition metals Inner transition metals

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