Chemistry

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Across
  1. 3. negatively charged subatomic particle
  2. 5. the ability of a substance to catch fire
  3. 7. a set of chemical symbols showing the elements present in a compound
  4. 8. anything that has mass and takes up space
  5. 12. a mixture that is evenly mixed throughout
  6. 15. mass/volume
  7. 18. a mixture that is NOT evenly mixed throughout
  8. 19. the point where a liquid turns into a gas
  9. 21. center of an atom made of protons and neutrons
  10. 23. a number written on the left side of a compound to show how many molecules or atoms of a substance are involved in a chemical reaction
  11. 24. the point where a solid turns into a liquid
  12. 25. smallest unit of matter
  13. 27. positively charged subatomic particle
  14. 28. the point where a liquid turns into a solid
  15. 30. where electrons are found
Down
  1. 1. turning a liquid into a gas
  2. 2. a compound that changes color in the presence of an acid or a base
  3. 4. a process that separates solids based on their particle size
  4. 6. the ability of a substance to be hammered or beaten into thin sheets
  5. 9. a combination of two or more substances not chemically combined
  6. 10. hydrogen ion concentration
  7. 11. a measure of how much solute can be dissolved in a solvent at a given temperature
  8. 13. neutrally charged subatomic particle
  9. 14. a process that removes lumps from an ingredient and gives it a smoother consistency
  10. 16. a pure substance made from only one type of atom
  11. 17. a number written to the bottom right corner of a chemical symbol to show how many atoms of that element are in a compound
  12. 20. the ability of a substance to be stretched into a thin wire
  13. 22. a representation of a chemical reaction using chemical symbols to indicate the amount of substance in the reactants and products.
  14. 26. two or more atoms held together by covalent bonds
  15. 29. an atom or molecule that has lost or gained one or more electrons