Periodic Table

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Across
  1. 2. Horizontal row in the periodic table
  2. 7. property of metals and alloys that allows them to be drawn into wires
  3. 8. Occurs because some electrons move freely among a metal's positively charged ions, explains properties such as ductility and the ability to conduct electricity
  4. 9. Property of metals and alloys that allows them to be hammered or rolled into thin sheets
Down
  1. 1. vertical column in periodic table
  2. 3. Uses the symbol for an element and dots representing the number of electrons in the elements outer energy level
  3. 4. Element, such as radium, whose nucleus breaks down and emits particles and energy
  4. 5. Organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties
  5. 6. Element that is shiny malleable, ductile, and a good conductor of heat and electricity