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You will need your periodic table for these notes. Today you get to color in class!

The Periodic Table. You will need your periodic table for these notes. Today you get to color in class!. The Periodic Table. History of the Periodic Table Mendeleev Mosely. A. Dmitri Mendeleev. Dmitri Mendeleev (1869, Russian). Organized elements by increasing atomic mass .

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You will need your periodic table for these notes. Today you get to color in class!

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  1. The Periodic Table • You will need your periodic table for these notes. • Today you get to color in class!

  2. The Periodic Table History of the Periodic Table Mendeleev Mosely

  3. A. Dmitri Mendeleev • Dmitri Mendeleev (1869, Russian) • Organized elements by increasing atomic mass. • Predicted the existence of undiscovered elements.

  4. B. Henry Mosely • Henry Mosely (1913, British) • Organized elements by increasing atomic number. • Fixed problems in Mendeleev’s arrangement.

  5. The Periodic Table I.Organization Metallic Character Rows & Columns Table Sections

  6. Use a marker to show the different characteristics of the table! A. Metallic Character • Metals • Nonmetals • Metalloids

  7. Color your periodic table to show the different sections of the table! B. Table Sections • Representative Elements • Transition Metals • Inner Transition Metals

  8. Lanthanides - part of period 6 Actinides - part of period 7 B. Table Sections Overall Configuration

  9. Show groups and periods on the table! C. Columns & Rows • Group (Family) • Period

  10. The Periodic Table III.Periodic Trends Terms Periodic Trends Dot Diagrams

  11. A. Terms • Periodic Law • Properties of elements repeat periodically when the elements are arranged by increasing atomic number.

  12. A. Terms • Valence Electrons • e- in the outermost energy level • Atomic Radius • First Ionization Energy • energy required to remove an e- from a neutral atom

  13. Use a pen to show increasing atomic radius on the table! B. Periodic Trends • Atomic Radius • Increases to the LEFT and DOWN.

  14. Use a pen to show increasing first ionization energy on the table! B. Periodic Trends • First Ionization Energy • Increases to the RIGHT and UP.

  15. B. Periodic Trends • Which atom has the larger radius? • Be or Ba • Ca or Br • Ba • Ca

  16. B. Periodic Trends • Which atom has the higher 1st I.E.? • N or Bi • Ba or Ne • N • Ne

  17. Use a pen to show the group and period numbers on the table! 1 18 2 13 14 15 16 17 B. Periodic Trends • Group # = # of valence e- (except He) • Families have similar reactivity. • Period # = # of energy levels 3 4 5 6 7 8 9 10 11 12

  18. C. Dot Diagrams • Dots represent the valence e-. • EX: Sodium • EX: Chlorine

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