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THE PERIODIC TABLE

THE PERIODIC TABLE. To continue, left click your mouse. DIRECTIONS. This presentation is designed to be used like flash cards. To check your answer and/or to move to the next slide, left click your mouse. ALKALI METALS. Group IA (alkaline means basic) Li Na K Rb Cs Fr.

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THE PERIODIC TABLE

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  1. THE PERIODIC TABLE To continue, left click your mouse. Created by Tara L. Moore, MGCCC

  2. DIRECTIONS • This presentation is designed to be used like flash cards. • To check your answer and/or to move to the next slide, left click your mouse. Created by Tara L. Moore, MGCCC

  3. ALKALI METALS • Group IA (alkaline means basic) • Li • Na • K • Rb • Cs • Fr Created by Tara L. Moore, MGCCC

  4. ALKALINE EARTH METALS • Group IIA • Be • Mg • Ca • Sr • Ba • Ra Created by Tara L. Moore, MGCCC

  5. HALOGENS • Group VIIA (nonmetals, halogens means salt formers) • F • Cl • Br • I Created by Tara L. Moore, MGCCC

  6. NOBLE GASES • Group VIII (nonmetals- rare gases) • He • Ne • Ar • Kr • Xe • Rn Created by Tara L. Moore, MGCCC

  7. Group or Families of the Periodic Table • VERTICAL COLUMNS- elements in a group have similar chemical and physical properties Created by Tara L. Moore, MGCCC

  8. Periods in a Periodic Table • HORIZONTAL ROWS- elements in periods have properties that change progressively across the table Created by Tara L. Moore, MGCCC

  9. Physical Properties of Metals • High electrical conductivity that decreases with increasing temperature. • High thermal conductivity. • Metallic gray or silver luster • Almost all are solids • Malleable (can be hammered into sheets, etc.) • Ductile (can be drawn into wires) Created by Tara L. Moore, MGCCC

  10. Physical Properties of Nonmetals • Poor electrical conductivity (except carbon in the form of graphite) • Good heat insulators (except carbon in the form of diamonds) • No metallic luster • Solids, liquids or gases • Brittle in solid state • Non-ductile Created by Tara L. Moore, MGCCC

  11. Chemical Properties of Metals • Outer shells contain few electrons (usually 3 or fewer) • Forms cations (positive ions) by losing electrons • Form ionic compounds with nonmetals • Solid state characterized by metallic bonding Created by Tara L. Moore, MGCCC

  12. Chemical Properties of Nonmetals • Outer shells contain four or more electrons • Form anions (negative ions) by gaining electrons • Form ionic compounds with metals and molecular (covalent) compounds with other nonmetals. • Covalently bonded molecules; Noble gases are monatomic Created by Tara L. Moore, MGCCC

  13. TRENDS IN THE PERODIC TABLE Created by Tara L. Moore, MGCCC

  14. ATOMIC NUMBER • ACROSS PERIOD: INCREASES • DOWN GROUP: INCREASES Created by Tara L. Moore, MGCCC

  15. ATOMIC MASS • ACROSS PERIOD: INCREASE • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  16. ATOMIC RADIUS • ACROSS PERIOD: DECREASE • DOWN GROUP: INCREAS Created by Tara L. Moore, MGCCC

  17. ATOMIC VOLUME • ACROSS PERIOD: DECREASE • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  18. ATOMIC DENSITY • ACROSS PERIOD: INCREASE • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  19. ELECTRONEGATIVITY • ACROSS PERIOD: INCREASE • DOWN GROUP: DECREASE Created by Tara L. Moore, MGCCC

  20. ELECTROPOSITIVITY • ACROSS PERIOD: DECREASE • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  21. IONIZATION ENERGY • ACROSS PERIOD: INCREASE • DOWN GROUP: DECREASE Created by Tara L. Moore, MGCCC

  22. COLOR • ACROSS PERIOD: NO TREND • DOWN GROUP: DARKER Created by Tara L. Moore, MGCCC

  23. METALS • ACROSS PERIOD: LESS METALLIC • DOWN GROUP: MORE METALLIC Created by Tara L. Moore, MGCCC

  24. NON-METALS • ACROSS PERIOD: MORE METALLIC • DOWN GROUP: LESS METALLIC Created by Tara L. Moore, MGCCC

  25. METALLOID • BORDER ZIG-ZAG LINE Created by Tara L. Moore, MGCCC

  26. NUMBER OF SHELLS • ACROSS PERIOD: CONSTANT • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  27. NUMBER OF ELECTRONS IN OUTER SHELL • ACROSS PERIOD: INCREASES • DOWN GROUP: CONSTANT Created by Tara L. Moore, MGCCC

  28. ELECTRON AFFINITY • ACROSS PERIOD: INCREASE • DOWN GROUP: CONSTANT Created by Tara L. Moore, MGCCC

  29. IONIC RADIUS • DOWN GROUP: INCREASE Created by Tara L. Moore, MGCCC

  30. ANIONS (-) • LARGER THAN ATOM Created by Tara L. Moore, MGCCC

  31. CATIONS (+) • SMALLER THAN ATOM Created by Tara L. Moore, MGCCC

  32. REACTIVITY OF METALS • ACROSS PERIOD: DECREASES • DOWN GROUP: INCREASES Created by Tara L. Moore, MGCCC

  33. REACTIVITY OF NON-METALS • ACROSS PERIOD: INCREASES • DOWN GROUP: DECREASE Created by Tara L. Moore, MGCCC

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