Chemistry

Edit Answers
1234567891011121314151617181920212223242526272829303132333435363738394041
Across
  1. 3. The negative subatomic particle within an atom.
  2. 4. The exhaust in a hydrogen cell car is pure water, in the reaction water is the
  3. 7. compounds that are based on the element carbon.
  4. 8. Air is a
  5. 10. Most elements on the periodic table are in this category.
  6. 11. liquid metal element.
  7. 13. When mixing salt in water, the salt is the
  8. 16. Known as the universal solvent
  9. 19. The most basic unit of a chemical element.
  10. 20. A pure substance that cannot be broken down by physical means.
  11. 21. Does a strong acid have a low or high pH?
  12. 22. A molecule or other entity that can donate a proton
  13. 23. Symbol of element with an atomic mass of 196.96
  14. 24. taste, touch, smell, hearing, sight
  15. 26. The most abundant compound on Earth.
  16. 29. What does DNA stand for
  17. 33. 1 molecule of water is made of ___ atoms. (Spell the number)
  18. 34. the solute in soda water (2 words)
  19. 36. The ability for a substance to be drawn into a wire
  20. 37. the element with the lowest atomic mass.
  21. 38. The most reactive element on the periodic table.
  22. 39. The lightest element
  23. 41. The elements that do not react with anything because their valence shell is full
Down
  1. 1. A substance that has a pH of 12 would be categorized as a
  2. 2. As the temperature of a liquid decreases, the amount of gases that will dissolve will
  3. 5. flammability is a
  4. 6. Carbon dioxide is an example of a(n) ______ bond.
  5. 9. Representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  6. 12. When a new substance has formed with new properties a ______ _______ has taken place.
  7. 14. rain with a pH of about 4.
  8. 15. the outside shell of electrons
  9. 17. a cloud will release rain when it is
  10. 18. A bond that produces salts by one element giving up an electron and the other accepting it.
  11. 25. The pH of some that is said to be neutral (Spell the number)
  12. 27. When mixing vinegar and baking soda you produce water and carbon dioxide. The vinegar and baking soda are
  13. 28. In a simple explanation, most elements were formed within
  14. 30. Brass and steel is solution in this state of matter
  15. 31. Atomic number 6
  16. 32. The ability to do work
  17. 35. A mixture of all colors of light will create _______ light.
  18. 40. A pure substance that cannot be broken down by physical or chemical means.