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DO NOW!

DO NOW!. Remembering back to Chapter 1…. What is the difference between a group and a period?. The Periodic Table. At A Glance. Periods. There are a total of seven periods of elements in modern periodic table.

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DO NOW!

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  1. DO NOW! • Remembering back to Chapter 1…. • What is the difference between a group and a period?

  2. The Periodic Table At A Glance

  3. Periods • There are a total of seven periods of elements in modern periodic table. • The length of each period corresponds to the number of elements, which in turn determines the number of electrons that can occupy the sublevels (previously known as rings)

  4. Example: • Period 1 • Two elements • Period 2 • Eight elements • “Ring” a bell???

  5. Periods 6 and 7 • Periods 6 and 7 may look like they only contain 18 elements, but in actuality, they contain 32 elements.

  6. Blocks • There are four areas that are called blocks on the periodic table. • They will be important when we learn about electron configurations

  7. Main Group Elements • The s-block and p-block make up the main group elements • Groups 1-2 (s), 13-18 (p)

  8. Transition and Inner Transition Metals • The transition metals are in groups 3-12 (d-block) • The inner transition metals are below the main periodic table (f-block)

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