Chemicals in daily life and chemical reactions

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Across
  1. 5. The connection between atoms in a molecule.
  2. 10. A radioactive gas that occurs naturally in the environment.
  3. 12. A simple hydrocarbon found in natural gas.
  4. 13. Atoms of the same element with different numbers of neutrons.
  5. 14. Sour substances
  6. 16. A gas used in lighters and portable stoves.
  7. 17. Units to measure radiation dose.
  8. 18. A solution with a pH of 7, such as pure water.
  9. 19. A type of radiation with high energy and no mass.
  10. 20. Used as a fuel for cooking and heating.
  11. 21. A substance used to bond surfaces together, like glue.
  12. 22. Hydrocarbon compounds in which carbon atoms are connected in a ring.
  13. 23. The gain of electrons in a chemical reaction.
  14. 25. A solution that resists changes in pH when small amounts of acid or base are added.
  15. 27. The most important sources of hydrocarbon compounds
  16. 28. Polymers made entirely from the same type of monomer.
  17. 29. The electrode where reduction occurs in an electrochemical cell.
  18. 30. A group of atoms bonded together.
  19. 34. The basic unit of matter.
  20. 35. A compound derived from an acid and an alcohol.
  21. 36. A reaction that releases heat to the surroundings.
  22. 37. Astringent substances
  23. 39. A simple alkane with two carbon atoms.
  24. 40. A reaction where substances combine to form a new product.
Down
  1. 1. A solid formed from a solution during a chemical reaction.
  2. 2. A substance that dissolves a solute to form a solution.
  3. 3. Large molecular compounds made up of monomers
  4. 4. A polymer used in paints and glass substitutes.
  5. 6. A white powder used in baking and cleaning.
  6. 7. Used for cleaning clothes.
  7. 8. A common kitchen acid used in cooking and cleaning.
  8. 9. Its chemical name is sodium chloride.
  9. 11. Loss of electrons within an atom to another molecule
  10. 15. The time it takes for half of a radioactive substance to decay.
  11. 21. It is a saturated hydrocarbon compound.
  12. 22. The electrode where oxidation occurs in a chemical cell.
  13. 24. A small molecule that can bond with others to form a polymer.
  14. 26. Chemical reactions that involve oxidation and reduction
  15. 31. Paper used to test pH values
  16. 32. A substance that gains electrons and gets reduced.
  17. 33. A common plastic used in packaging and bottles.
  18. 38. A polymer used as a non-stick coating for cookware.