Chemistry Fun

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Across
  1. 4. A subatomic particle that has a negative charge
  2. 6. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
  3. 7. Describes something that has a uniform structure or composition throughout
  4. 8. A change that occurs when one or more substances change into entirely new substances with different properties
  5. 10. The mass of an atom expressed in atomic mass units
  6. 11. Composed of dissimilar components
  7. 13. A vertical column of elements in the periodic table
Down
  1. 1. A substance made up of atoms of two or more different elements joined by chemical bonds
  2. 2. A combination of two or more substances that are not chemically combined
  3. 3. All the elements can be found here
  4. 5. The number of protons in the nucleus of an atom
  5. 9. Everything in the universe that has mass and volume is made of this
  6. 12. The capacity to do work