Chemistry Words

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Across
  1. 1. The reactant that limits how much product is made
  2. 8. Consists of protons and neutrons
  3. 10. Where you can find all the elements
  4. 11. Anything that takes up space and has a mass
  5. 12. The element Pb
  6. 13. A substance made up of two or more different kinds of atoms
  7. 15. The study of matter
  8. 18. Has a positive charge
  9. 19. Made the first periodic table
  10. 20. A compound where electrons are shared
Down
  1. 2. Combination of two or more substances that are not chemically combined
  2. 3. A symbol of something that can dissolve in a solution
  3. 4. A massive explosion that created elements
  4. 5. Cannot see individual components of mixture
  5. 6. A reaction that breaks down a compound into two or more substances
  6. 7. Has a negative charge
  7. 9. Number in front of a compound or element
  8. 11. Made the periodic table we use today
  9. 14. Smallest unit of an element
  10. 16. An atom or molecule that has a charge because it has gained or lost electrons
  11. 17. Any substance that has definite composition