Chemistry Crossword Puzzle

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Across
  1. 2. How electrons move around the nucleus
  2. 4. A mixture that it not uniform or consistent in appearance
  3. 7. The smallest basic unit of matter
  4. 8. A part of the atom that has a positive charge
  5. 10. A subatomic particle that has no charge
  6. 11. How many electrons can fit in the first energy level of an atom
  7. 13. Two or more atoms that are chemically bonded together
  8. 15. A mixture that has a uniform consistent appearance
  9. 17. Anything that has mass and takes up space
Down
  1. 1. A type of bond that forms when atoms share electrons
  2. 3. An atom that has become charged by gaining or losing an electron
  3. 5. How elements on the periodic table are labeled in columns (up and down)
  4. 6. A part of the atom that has a negative charge
  5. 9. The center of the atom where protons and neutrons exist
  6. 12. A type of bond that forms when electrons are transferred from one atom to another
  7. 14. An organized arrangement of elements according to their atomic number
  8. 16. How elements on the periodic table are labeled in rows (side to side)