Unit 5: Chemical Reactions

Edit Answers
1234567891011121314151617
Across
  1. 5. the symbol that separates the products and the reactants
  2. 7. ______ displacement occurs when one element replaces another element in a compound
  3. 8. the substances that undergo the chemical change
  4. 10. the little numbers after some elements that tell you how many of that specific element are in a compound
  5. 12. the larger numbers in front of molecules that apply to every element within that molecule
  6. 13. chemical _______ is the combination of element symbols and subscripts that tell you what the substance is made of
  7. 14. the substances that are produced in a chemical reaction
  8. 16. _______'s number is how many atoms or molecules are in one mole of a substance
  9. 17. when a reactant is lit on fire (O2) to produce only carbon dioxide and water
Down
  1. 1. when two or more simple reactants are combined to form a new more complex product
  2. 2. ______ displacement occurs when different atoms in two different compounds trade places
  3. 3. chemical ______ is the symbolic form which shows a process in which substances undergo chemical change and a new substance is formed
  4. 4. element _______ is the letter(s) from the periodic table that represent each element
  5. 6. when a reactant breaks down into two or more simpler products
  6. 9. mole _____ allows you to convert between moles of two different substances in a reaction
  7. 11. _______ mass is the mass of one mole of a substance
  8. 15. atoms that are found in pairs in nature