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Periodic Table

Periodic Table. Chapter 12. Formation of the table. Dmitri Mendeleev – 1860 looked for patterns in the properties of elements arranged them in order of atomic mass Periodic Law – Properties of elements are periodic functions of their atomic numbers (properties repeat every 8).

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Periodic Table

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  1. Periodic Table Chapter 12

  2. Formation of the table • Dmitri Mendeleev – 1860 looked for patterns in the properties of elements arranged them in order of atomic mass • Periodic Law – Properties of elements are periodic functions of their atomic numbers (properties repeat every 8)

  3. Periodic Table Properties • Rows – Periods (properties of elements repeat across the row) • Columns – Groups (elements share similar properties)

  4. Square • Element name • Chemical symbol • Atomic number • Atomic mass

  5. Element Latin Names

  6. Placeholders

  7. Placeholders

  8. Properties of Elements • Determined by valence electrons • Valence electrons – outer most electrons in an atom Rows = # of energy levels Column = # of valence electrons

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