Across
- 1. a property that depends on the amount of matter in a sample.
- 3. firm and stable in shape; not liquid or fluid.
- 8. the separation of a mixture into its components.
- 10. changes affecting the form of a chemical substance, but not its chemical composition.
- 12. a substance that has mass and takes up space.
- 14. one way of representing the concentration of an element in a compound or a component in a mixture.
- 16. a state that flows freely but is of constant volume.
- 19. they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- 20. chemical reaction involving the rearrangement of the atoms of one or more substances
- 22. is composed of two or more separate elements
- 24. an ionized gas
- 26. PV=NRT
- 30. a substance diffused or suspended in the air, especially one normally liquid or solid.
- 31. mixture consisting of different, distinguishable parts or elements.
- 32. one of the distinct forms in which matter can exist.
- 34. an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors
- 39. a law stating that the volumes of gases undergoing a reaction at constant pressure and temperature are in a simple ratio to each other and to that of the product.
- 40. a mixture in which the composition is uniform throughout the mixture.
- 42. a substance made by mixing other substances together.
- 43. to form crystals or assume crystalline form.
- 44. The horizontal rows of the periodic table.
Down
- 2. has a fixed chemical composition throughout
- 4. every definite compound always contains the same elements in the same proportions
- 5. an element or substance that is not a metal.
- 6. matter in a state in which it will expand freely to fill the whole of a container
- 7. a law stating that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature.
- 9. a law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
- 11. Law that states a gas pressure x volume x temperature = constant.
- 13. quantity of matter in a physical body.
- 15. a characteristic of a particular substance that can be observed in a chemical reaction.
- 17. matter not involving in its manifestation a chemical change.
- 18. mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
- 21. a law stating that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
- 23. the action of purifying a liquid by a process of heating and cooling.
- 25. when two chemical elements combine with each other to form more than one compound
- 27. the basic unit of a chemical element.
- 28. a pure substance consisting only of atoms that all have the same numbers of protons.
- 29. the action or process of filtering something.
- 33. elements with similar chemical properties.
- 35. a physical quantity whose value does not depend on the amount of the substance for which it is measured.
- 36. a table of the chemical elements arranged in order
- 37. The physical process where matter moves from one state to another.
- 38. the transition of a substance directly from the solid to the gas state.
- 41. a solid material that is typically hard, shiny, malleable, fusible, and ductile.