Chemical Reactions

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Across
  1. 3. A measure of the amount of one substance that is dissolved in another substance is called ______________.
  2. 5. __________________ is when the amount of energy that you begin with must equal the amount of energy you end up with.
  3. 6. The arrow sign that splits the reactants and products.
  4. 10. _______ _________ is when solid forms from a liquid solution. It is another sign of a chemical reaction.
  5. 14. ________ ____________ __________ is the reaction when two elements in compounds switch places, causing a new compound to form.
  6. 16. A ________ shows how many atoms there are in an element.
  7. 17. A __________ _________ is a formula that shows the elements in a compound.
  8. 19. A ________ is used, mostly seen as a plus sign, to separate compounds.
  9. 21. A _______ _________ is a written out form of a chemical reaction.
  10. 22. One of the signs of a chemical reaction happening is ___ __________, it is when gas forms.
  11. 23. ______ _________ is when you start with two compounds and end up with one as the product in a chemical equation
  12. 24. You add a _________ to help balance out a chemical equation.
Down
  1. 1. A _______ is needed to end up with a product.
  2. 2. ___________ is when energy is absorbed.
  3. 4. _________ ________ is needed to start a chemical reaction.
  4. 7. _______ in a chemical reaction can be released or absorbed.
  5. 8. _______ _________ _____ is the reaction when one element in a compound switch places with another, causing a new compound to form.
  6. 9. __________________ is when the amount of mass that you begin with must equal the amount of mass you end up with.
  7. 11. You end up with a _______ when two reactants form a new compound.
  8. 12. A(n) _______ is used to slow down a chemical reaction.
  9. 13. _______ _________ is when chemicals form together to create a compound.
  10. 15. ____________ _________ is the reaction where you start with a compound and it "decomposes," causing it to split up into substances.
  11. 18. __________ is when energy is released.
  12. 20. A ________ speeds up a chemical reaction without being permanently changed.