Periodic Table

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Across
  1. 1. an element that is shiny and that conducts heat and electricity well
  2. 4. The ease and speed with which an element combines, or reacts, with other elements and compounds.
  3. 5. A term used to describe a material that can be pulled out into a long wire.
  4. 7. The average mass of all the isotopes of an element
  5. 9. A chart of the elements showing the repeating pattern of their properties
  6. 10. A horizontal row of elements in the periodic table
Down
  1. 2. the number of protons in the nucleus of an atom
  2. 3. The ability of an object to transfer heat or electricity to another object.
  3. 6. capable of being shaped
  4. 8. A column on the periodic table