Properties of Elements

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Across
  1. 2. elements that are good conductors of electricity and thermal energy and are often solid at room temperature
  2. 5. number the number of protons in the nucleus of each element
  3. 6. pure substances made of only one type of atom
  4. 7. the basic unit of matter made up of protons, neutrons, and electrons
  5. 8. elements arranged in vertical columns of the periodic table that share the same properties
Down
  1. 1. characteristics of elements that help to identify what they are
  2. 3. symbol an abbreviation for the name of an element on the periodic table
  3. 4. repeating rows of the periodic table that demonstrate patterns of how elements are arranged
  4. 5. mass the average mass of the nucleus of that element