Spring Final Vocabulary Word Review

123456789101112131415161718
Across
  1. 3. the partial positive or negative charge in a polar bond
  2. 7. substance that changes in a chemical reaction
  3. 8. the large number in front of a molecule in a chemical reaction
  4. 9. a type of reaction where a molecule splits apart AB->A+B
  5. 11. group 18 on the periodic table, these elements do not react
  6. 13. the tendency of an atom in a molecule to attract the shared pair of electrons towards itself.​
  7. 14. a type of reaction that makes carbon dioxide and water
  8. 15. the reactant you use up in a reaction.
  9. 16. a type of reaction where an two elements replace each other in the reaction AB+CD->AD+BC
  10. 17. the reactant you have left over after the reaction is complete
  11. 18. type of elements that have properties of both metals and nonmetals
Down
  1. 1. the small number after the element symbol to signify how many of that element are in the molecule
  2. 2. an elements ability to transfer energy in the form of heat and electricity
  3. 4. what you make in a chemical reaction
  4. 5. Electrons are distributed unevenly
  5. 6. group 17 on the periodic table, these elements form -1 anions
  6. 10. a type of reaction where an element replaces another element in the molecule A+BC->B+AC
  7. 12. group 1 on the periodic table, these elements form +1 cations