Atoms Puzzle

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Across
  1. 4. Different versions of an element. Atoms that have the same number of protons, BUT different number of neutrons.
  2. 6. Matter that is a combination of different types of matter in different proportions.
  3. 7. Smallest piece of matter that is still considered an element.
  4. 10. Negatively charged subatomic particle that circles the nucleus of an atom.
  5. 11. Molecules that are made from different types of atoms, BUT always combined in the same proportions.
  6. 14. Matter that is made up of only one type of atom.
Down
  1. 1. Positively charged subatomic particle that is a part of the nucleus.
  2. 2. Multiple atoms that are chemically combined.
  3. 3. Substance Matter that is made of the same element or compounds.
  4. 5. Particle Pieces of matter that make up atoms.
  5. 8. Number Indicates the number of protons and neutrons found in an atom of a specific element.
  6. 9. Mass Weighted average of the mass numbers of the isotopes of an element.
  7. 12. Idea, structure, or diagram that helps explain concepts.
  8. 13. Neutral subatomic particle that is a part of the nucleus.