Crossword Puzzle Kesleigh

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Across
  1. 1. number of protons and neutrons
  2. 5. a way of describing the number of atoms that make up a molecule or compound
  3. 9. the ability to combine and to chemically bond with each other
Down
  1. 2. high luster, good conductor, malleable, found on the left of periodic table
  2. 3. molecule that is made up of more than one type of element
  3. 4. a chart where all elements are organized into periods and steps of the periodic table
  4. 6. compounds that include Carbon
  5. 7. substaces that are the building blocks of all matter(made of one kind of atom)
  6. 8. a row of elements that have a certain proprties in common
  7. 10. the basic unit of a chemical element