Science Vocabulary Unit B Crossword

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Across
  1. 2. An element with metallic and non-metallic qualities
  2. 5. How fast a chemical reaction occurs
  3. 6. Combination of symbols representing a compound
  4. 7. Substance that helps the rate of reaction occur faster
  5. 9. A law that states mass is neither create or destroyed in chemical reactions
  6. 17. Most reactive non-metals, group 17 on the periodic table
  7. 18. An Atom that has become electrically charged
  8. 19. An experiment in which reactants and products can escape
  9. 21. A row in the periodic table
  10. 22. The smallest part of an element
  11. 23. Organic catalyst
  12. 24. A negatively charged particle in an element
Down
  1. 1. An experiment in which no reactants or products can escape
  2. 3. A Pure substance formed when 2 nonmetals combine
  3. 4. A column in the periodic table
  4. 8. Mass of one atom in an element
  5. 10. Not as reactive, group 2 on periodic table
  6. 11. A reaction which is irreversible, creates a new substance, etc.
  7. 12. A section of elements on the periodic table that does not conduct electricity, is dull and brittle
  8. 13. Number of protons in an atom
  9. 14. A pure substance formed by a metal and non-metal
  10. 15. The core of an element; contains Protons and Neutrons
  11. 16. Most reactive metals, group 1 on periodic table
  12. 20. A positively charged particle in an element core
  13. 25. A neutral charge particle in an element core