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