Grade 9 Unit B Vocabulary

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Across
  1. 1. an atom that has lost electrons
  2. 3. matter cannot be created or destroyed
  3. 4. nonmetals in group 17 of the periodic table
  4. 7. the ability for a material to be rolled into wire or rods
  5. 10. a chemical reaction involving the burning of a fuel with oxygen
  6. 12. chemically unreactive
  7. 13. a type of element that is a good insulator
  8. 15. a type of element that shares properties between metals and nonmetals
  9. 16. a negatively charged subatomic particle
  10. 17. the ability for a material to be hammered into thin sheets
  11. 20. nonmetal elements found in group 18 of the periodic table
  12. 21. a chemical reaction that absorbs heat has a reactant
  13. 22. the chemicals produced in a chemical reaction
  14. 24. a positively charged subatomic particle
  15. 25. a chemical reaction between a metal and oxygen
Down
  1. 2. metals in group two of the periodic table
  2. 5. starting chemicals in a chemical reaction
  3. 6. a pure substance made of only one type of molecule
  4. 8. metals in group one of the periodic table
  5. 9. an atom that has gained electrons
  6. 10. a substance that speeds up a chemical reaction
  7. 11. a table that includes all known elements organized by atomic structure
  8. 14. a type of element that is good at conducting heat and electricity
  9. 18. a pure substance made of only one type of atom
  10. 19. workplace hazardous material information system
  11. 21. a chemical reaction that releases heat as a product
  12. 23. something that has mass and takes up space