Atoms and Compounds; 2.1

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Across
  1. 5. this is a chemical ______ that is used to describe the atoms found within the compound
  2. 7. the positive particle found in the nucleus of an atom
  3. 8. the negative particle found orbiting around the nucleus of an atom
  4. 9. the letter(s) used on the periodic table to identify elements
Down
  1. 1. two or more different types of elements chemically combined
  2. 2. the building blocks of matter
  3. 3. an atom that has specific properties and can be found on the periodic table of ______
  4. 4. the neutral particle found in the nucleus of an at
  5. 6. two or more of the same types of elements combined