Matter Vocab

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Across
  1. 1. A technique that can be used to physically separate most homogeneous mixtures based on the differences in the boiliing points of the substances involved.
  2. 5. The basic unit of an element.
  3. 7. A physical property that remains the same no matter how much of a substance is present
  4. 9. States that, regardless of the amount, a compound is always composed of the same elements in the same proportion by mass.
  5. 10. A form of matter that flows, has constant volume and takes the shape of its container.
  6. 11. The physical forms in which a substance can exist
  7. 12. The majority of elements in the Periodic Table conductor of heat, ductile, malleable, lustrous
  8. 14. The amount of matter in an object.
  9. 18. An element that has both metallic and nonmetallic properties; examples of metalloids include B, Ge, Si, and Te.
  10. 19. A form of matter that flows to conform to the shape of its container, fills the container's entire volume and is easily compressed.
  11. 20. Anything that has mass and takes up space
  12. 21. states that mass is neither created nor destroyed during a chemical reaction but is conserved.
  13. 24. A form of matter that has its own definite shape and volume, is incompressible and expands only slightly when heated.
  14. 29. The horizontal rows on the Periodic Table A chart that organizes all known elements into a grid of horizontal rows
  15. 30. A chart that organizes all known elements into a grid of horizontal rows (periods) and vertical columns (groups or families) arranged by increasing atomic number.
  16. 33. A separation technique that produces pure solid particles of a substance from a solution that contains the dissolved substance.
  17. 36. A technique that is used to separate the components of a mixture based on the tendency of each component to travel or be drawn across the surface of another material.
  18. 40. one that has a uniform composition throughout and always has a single phase; also called a solution.
  19. 41. relates volume and amount of substance
  20. 43. States that when different compounds are formed by the combination of the same elements, different masses of one element combine with the same mass of the other element in a ratio of small whole numbers.
  21. 44. a chemical substance formed as a result of a chemical reaction
  22. 45. exists at high temperatures, consists of charged
Down
  1. 2. the law that the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and the universal gas constant.
  2. 3. A physical property, such as mass, length, and volume, that is dependent upon the amount of substance present
  3. 4. The ability or inability of a substance to combine with or change into one or more new substances.
  4. 6. A physical blend of two or more pure substances in any proportion in which each substance retains its individual properties; can be separated by physical means.
  5. 8. A percentage determined by the ratio of the mass of each element to the total mass of the compound.
  6. 13. PV=PV
  7. 15. a change from one state (solid or liquid or gas) to another without a change in chemical
  8. 16. A characteristic of matter that can be observed or measured without changing the sample's composition
  9. 17. One that does not have a uniform composition and in which the individual substances remain distinct.
  10. 22. matterthat has the same composition and properties throughout
  11. 23. poor conductors of heat and electricity
  12. 25. An extremely unreactive group 18 element.
  13. 26. A type of change that alters the physical properties of a substance but does not change its composition.
  14. 27. A pure substance that cannot be broken down into simpler substances by physical or chemical means.
  15. 28. a chemical substance that is present at the start of a chemical reaction
  16. 31. relates temperature and pressure
  17. 32. relates temperature and volume
  18. 34. vertical columns of elements
  19. 35. Gaseous state of a substance that is a liquid or a solid at room temperature.
  20. 37. relates temperature, pressure, and volume
  21. 38. (chemistry)a change directly from the solid to the gaseous state without becoming liquid
  22. 39. A chemical combination of two or more different elements; can be broken down into simpler substances by chemical means and has properties different from those of its component elements.
  23. 42. PV=nRT