Chemistry Crossword

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Across
  1. 3. This reactive element is the lightest solid element which is also used in batteries and mood disorder medication.
  2. 4. This element is found in bananas.
  3. 9. This element is used in the manufacture of fertilizers, but was first discovered in experiments with urine.
  4. 10. Different forms of the same element.
  5. 11. This element is known for it's high toxicity and has been used in many poisons throughout history.
  6. 12. A scale of temperature in which absolute zero is zero
  7. 14. This toxic metal is the only metal that is liquid at room temperature.
  8. 17. The scientific study of the properties and behavior of matter.
  9. 19. A term used to describe electrons with the same principal quantum number.
  10. 22. The number of protons in each atom.
  11. 23. This substance expands as it freezes.
  12. 25. The most abundant element in the Earth, making up most of the core.
  13. 28. The subatomic partical without electric charge.
  14. 29. A solution that resists dramatic changes in pH.
  15. 30. These elements have the outer shell of their atoms is full of electrons.
  16. 34. This element has the highest electrical conductivity of all the elements.
  17. 35. These reactive elements have just one electron in the outer shell of their atom.
  18. 36. A molecule with the same molecular formula as another molecule but a different structure.
  19. 37. The name of a discrete unit of light acting as a particle.
  20. 39. A chemical reaction that has a negative change in enthalpy.
  21. 40. The most common element in the atmosphere.
  22. 41. A solid material where the molecules fit together in a repeating pattern.
  23. 42. The only two non-silvery metals are gold and this metal.
  24. 43. This element is over one million times as radioactive as uranium, and only a few ounces of it are produced each year.
  25. 44. The most electronegative element.
Down
  1. 1. A branch of chemistry that uses computer simulation.
  2. 2. The sum of the number of protons and neutrons in a nucleus.
  3. 5. This acid is the most used chemical by the world's industry.
  4. 6. Students struggle to write these.
  5. 7. This soft dense metal is most known for its use in jewelry and currency.
  6. 8. A glass container with a flat bottom and a spout.
  7. 13. This element is often asdociated with the devil and is also known as brimstone.
  8. 15. How much solute is dissolved in a given amount of solvent.
  9. 16. A unit defined as containing exactly 6.02214076×10^23 elementary entities.
  10. 18. The most common element found in the universe.
  11. 20. This element is stored in oil as it reacts violently with water, but is also a part of most meals.
  12. 21. An attraction between atoms or ions that enables the formation of molecules.
  13. 24. An organic compound that contains an OH functional group.
  14. 26. This element is used as fuel in nuclear power plants.
  15. 27. While common accross the universe, this element is rare on earth.
  16. 31. This element is used in the manufacture of semiconductor chips for electronics.
  17. 32. A type of flask with a conical shaped body.
  18. 33. When a chemical substance is transformed as a result of interaction with another substance or energy.
  19. 38. This element makes up the majority of the human body mass at 65%.
  20. 42. This element is the backbone of organic chemistry.