Chemistry Crossword ErnaniA. 9B

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Across
  1. 6. A neutral particle in the nucleus of an atom.
  2. 7. Ability of a substance to conduct electricity or heat.
  3. 8. The most reactive non metals.
  4. 10. Characteristics that describes a particular substance.
  5. 12. change of state from a solid to a gas or from a gas to a solid.
  6. 13. A table where elements are sorted by physical and chemical properties.
  7. 16. When a pure substance formed when at least one metal and one non-metal combine.
  8. 17. A combination of symbols that represent a compound, identifies what element and how much is in the compound.
  9. 20. A cloudy mixture in which tiny particles can be separated out.
  10. 21. A dull and brittle element that doesn't conduct electricity.
  11. 23. A substance made up of only one type of atom.
  12. 27. Chemical reaction that releases energy.
  13. 29. Change of state from a liquid to a solid.
  14. 32. Group 2 elements in the periodic table, their reactivity isn't as strong as Alkali Metals
  15. 35. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance.
  16. 37. A positively charged particle in the nucleus of an atom.
  17. 40. Mass of a substance that can dissolve in a given amount of solvent to make a saturated solution at a given temp.
  18. 42. An element that has both metallic and nonmetallic properties.
  19. 43. A reaction that takes place when two or more substances react to form new substances.
  20. 44. Amount of mass in a given volume of a substance.
  21. 45. description of a solid that can be stretched into a long wire.
  22. 47. When a group of atoms acts like one.
Down
  1. 1. Change of state from a liquid to a gas .
  2. 2. Anything that has mass and occupies space.
  3. 3. Change of state from a solid to a liquid
  4. 4. Change of state from gas to solid.
  5. 5. chemical combination of two or more elements in a specific ratio.
  6. 7. change that results when two or more substances react to create a different substance or substances, the new substance would be completely different from the original.
  7. 9. A mixture of two or more pure substances that looks like one substance.
  8. 11. Chemical reaction that absorbs energy.
  9. 14. A solution in which water is the solvent.
  10. 15. property that describes physical appearance and composition of a substance.
  11. 18. Shiny, malleable, ductile element that conducts electricity.
  12. 19. A group of atoms joined together to make an object.
  13. 22. Mixture in which the different substances that make up the mixture are visible.
  14. 24. description of how a substance interacts with other substances. Only observable when chemical change occurs.
  15. 25. Change of state, from gas to liquid.
  16. 26. Atom that has become electrically charged because it has lost or gained electrons.
  17. 28. The new substance produced in a chemical reaction between reactants.
  18. 30. chemical reaction that takes place in cells.
  19. 31. Change in the appearance or state of a substance that doesn't change the composition.
  20. 33. Substance in a chemical reaction to make new substances with different qualities.
  21. 34. The most stable and unreactive of the group 18 elements in the periodic table.
  22. 35. slow chemical change that occurs when oxygen in the air reacts with a metal.
  23. 36. Solid,liquid, gas, and plasma.
  24. 38. Group 1 elements in the periodic table, the most reactive of the metals
  25. 39. Description of a substance that can be pounded or rolled into sheets.
  26. 41. Substance made of only one kind of matter.
  27. 42. Combination of pure substances.
  28. 46. A cloudy mixture which particles cannot be separated out from the other substance.