Chemistry Crossword

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Across
  1. 4. anything that has mass and occupies space
  2. 5. chemical combination of two or more elements in a specific ratio
  3. 6. any subject of importance about which people have strong, conflicting points of view
  4. 7. horizontal row of elements in the periodic table
  5. 9. Workplace Hazardous Materials Information System; a system of easy-to-see warning symbols on hazardous materials
  6. 11. mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
  7. 12. energy stored in chemicals and released when chemicals react
  8. 13. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  9. 16. group 17 elements in the periodic table; the most reactive non-metals
  10. 18. ability of a substance to conduct electricity or heat
  11. 19. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms
  12. 21. vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
  13. 22. amount of mass in a given volume of a substance
  14. 23. gases group 18 elements in the periodic table; the most stable and unreactive elements
  15. 24. positively charged particle in the nucleus of an atom
Down
  1. 1. neutral particle in the nucleus of an atom
  2. 2. table a table in which the elements are organized by their physical and chemical properties
  3. 3. the basic unit of a chemical element
  4. 5. change that results when two or more substances react to create a different substance or substances
  5. 8. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out p
  6. 10. element that has both metallic and non- metallic properties
  7. 14. system an experiment in which one or more products of a chemical reaction can escape
  8. 15. substance substance made of only one kind of matter, which has a unique set of properties
  9. 17. homogeneous mixture; mixture of two or more pure substances that looks like one substance
  10. 20. shiny, malleable, ductile element that conducts electricity