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Understanding the Periodic Table: Elements, Colors, Groups & Configurations

Learn about classifying elements using the periodic table, from atomic number to electron configurations. Explore the meaning of color codes, chemical families, transitional elements, and energy sublevels. Discover noble gases, representative elements, and transition metals. Gain insights into the properties and locations of various elements based on their positions in the periodic table.

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Understanding the Periodic Table: Elements, Colors, Groups & Configurations

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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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