Reactions Review

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Across
  1. 1. A low pH indicates that a substance is __________.
  2. 8. Chemical equations need to be balanced do to the Law of Conservation of ______.
  3. 11. An alpha particle is the same as the nucleus from a _____ atom.
  4. 13. A ___ energy is an energy source that produces energy without producing waste.
  5. 14. An alpha particle can be stopped with _______.
  6. 15. ______ is the nuclear process that powers the sun.
  7. 16. An unstable atom will _____ radiation until it becomes smaller and more stable.
  8. 17. An alternative fuel for reactors is _______.
  9. 19. A reaction that feels cold to the touch is ________.
  10. 21. The Strong Force is the force that holds together the ______.
  11. 22. Fusion is the process of _____ two or more nuclei into one larger nucleus.
  12. 23. _____ radiation has the most energy.
  13. 24. If Carbon-14 were to go through alpha decay, it would become _______-10.
  14. 28. Everything that comes out of a reaction is a ______.
  15. 29. A ______ reaction changes the protons and neutrons of an atom.
  16. 30. The amount of time it takes for radioactive elements to decay is called ______.
  17. 31. The size of a sample has _____ effect on what percent will decay in a half-life.
  18. 32. When Oxygen-19 releases a beta particle, it becomes a stable atom of _______.
Down
  1. 2. A _____ reaction is a reaction that alters bonds between atoms.
  2. 3. All elements other than Hydrogen were formed in ______ by fusion.
  3. 4. Hydroelectric power harnesses energy from the movement of ____.
  4. 5. The pH _______ is the measurement of acidity and Basicity of a substance.
  5. 6. If a reaction is releasing heat, then it is ______, and will feel hot.
  6. 7. The ______ in a chemical equation are what goes in to the reaction.
  7. 9. ______ is the nuclear process used to power nuclear reactors.
  8. 10. A beta particle is a single ____.
  9. 12. A _____ reaction is a reaction that can go in both directions.
  10. 18. When the products of a reaction cause another reaction, it’s called a _________.
  11. 20. An acid turns litmus paper _____ and dissolves some metals.
  12. 22. Cobalt-60 is used in the treatment of _____.
  13. 25. Currently, nuclear reactors mainly use _______ as a fuel.
  14. 26. _______ is a renewable energy that relies on the sun for power.
  15. 27. Half-life can be used to test the age of materials by ______ dating.
  16. 33. Reactants are on the _______ side of a reaction arrow.