Periodic Table

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Across
  1. 3. Uses the symbol for an element and dots representing the number of electrons in the element's outer energy level
  2. 5. Vertical column in the periodic table
  3. 9. Property of metals and alloys that allows them to be hammered or rolled into thin sheets
  4. 10. Element, such as radium, whose nucleus breaks down and emits particles and energy
Down
  1. 1. Elements in groups 3 through12 of the periodic table; occur in nature as uncombined elements and include the iron triad and coinage metals
  2. 2. Element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is not shiny
  3. 4. Element that shares some properties with metals and some with nonmetals
  4. 6. Organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties
  5. 7. Element that is shiny, malleable, ductile, and a good conductor of heat and electricity
  6. 8. Horizontal row in the periodic table