Across
- 3. mixture in which the composition is uniform throughout
- 4. element whose properties are intermediate between those of metals and solid nonmetals and semiconductors
- 6. smallest unit of matter that forms a chemical element
- 8. some properties of a material change, but the composition of the material does not change \
- 11. the gaseous state of a substance that is generally a liquid or solid at room temperature
- 13. any of a material's properties that become evident during or after a chemical reaction
- 16. substance that has constant composition and distinct chemical properties
- 19. something that occupies space
- 20. measure of the amount of matter object contains
- 22. a substance that is formed as the result of a chemical reaction
- 23. shows pressure is inversely proportional to volume, or higher volume equals lower pressure
- 24. nearly in compressible fluid that conforms to the shape of the container but retains a constant volume
- 25. property of matter that depends only on the type of matter in a sample and not the amount
- 27. constant volume, the pressure of an ideal gas is directly proportional to its absolute temperature
- 32. physical blend of two or more components
- 34. electrically conducting medium in which there are roughly equal numbers of positive and negative electrons
- 36. an element readily forms positive ions and has metallic bonds
- 37. the process that separates a solid from a liquid in a heterogeneous mixture
- 39. process of which a solid forms and the atoms are organized into a structure
- 40. statement that every chemical compound contains fixed and constant proportions (by mass) of its constituent elements
- 41. form of matter that takes both the shape and volume of its container and compressible
- 42. the simplest form of matter with unique set of properties
- 43. a substance that enters into and is altered in the course of a chemical reaction
- 44. when energy is added or removed to matter and changes state
- 45. column of elements in the periodic table
Down
- 1. the chnage of a substance from one physical form to another
- 2. experimental gas law that describes how the pressure of a gas tends to decrease as the volume of the container increases
- 5. the law that states the product of the pressure and volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas
- 7. horizontal row in periodic table
- 9. states that in any physical change or chemical reaction, mass is conserved and is not created or destroyed
- 10. a way to separate water from the other components in tap water
- 12. the volume of a gas equals a constant value multiplied by its temperature as measured on the Kelvin scale
- 14. substance that contains two or more elements chemically combined in a fixed proportion
- 15. states that if two elements form more than one compound, then the ratio of the masses of the second element which combine with a fixed mass of the first element will laways be ratios of small whole numbers
- 17. lab technique used for the separation of a mixture into its components
- 18. occurs when a substance combines with another form of a new substance
- 21. elements on the right of the periodic table that can be gases, solids, or liquids that are dull in color
- 22. table of chemical elements arranged in order of atomic numbers that are usually in rows and elements with similar atomic structure appear in vertical columns
- 26. property that depends on the amount of matter in a sample
- 28. one of the four fundamental states of matter with molecules that are tightly packed together and contain the least amount of kinetic energy
- 29. statement that under the same conditions of temperature and pressure, equals volumes of different gases contain an equal number of molecules
- 30. 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 universal gas constant
- 31. transition of a substance directly from a solid to a gas without going through the liquid state
- 33. mass of the element or solute divided by the mass of the compound or solute
- 35. mixture in which the composition is not uniform throughout
- 38. any group of rare gases that exhibit great stability and extremely low reaction rates