Across
- 2. solid forms where atoms or molecules are highly organized into a crystal structure
- 3. if two elements form more than one compound, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers
- 8. calculate as the mass of a component divided by the total mass of a mixture
- 11. chemical elements arranged in order of atomic number
- 13. something that is the result of an action or process
- 15. transition from a solid to a gas state passing through the liquid state
- 17. a form of matter that has a constant composition and properties throughout the sample
- 20. a substance with high electrical conductivity, readily forms positive ions
- 22. a substance made by mixing other substances together
- 25. components are distributed the same of in uniform
- 26. a substance combines with another to form a new substance
- 27. a measure of the amount of matter the object contains
- 32. volumes of gases undergoing reactions at constant pressure and temperature are in a sample ratio to each other and the product
- 34. a form of matter that has a definite shape and volume
- 35. horizontal rows of elements on the periodic table
- 37. am element whose properties are intermediate between those of metals and solid nonmetals
- 38. a substance that takes part in and undergoes changes during a reaction
- 41. pure substance consisting of atoms that have the same number of protons in their nuclei
- 42. chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
- 43. equal volume of gases at the same temperature and pressure contain equal numbers of molecules
- 44. a given chemical compound always retains its component elements in a fixed ratio
- 45. exhibit great stability and extremely low reaction rates helium, neon, argon, krypton, xenon, radon
- 46. an experiment gas law that describes how the pressure of a gas tends to decrease ad the volume of the container increases
Down
- 1. a property that depends of the type of matter in a sample
- 2. a characteristic of a particular substance that can be observed in a chemical reaction
- 4. a quality or condition of a substance that can be observed or measured without changing the substances
- 5. a law that states that pressure, temperature and the volume of gas are related to each other
- 6. lacks characteristics of metal, elements on the right of the periodic table
- 7. describes how gases tend to expand when heated
- 9. group of elements with similar chemical properties
- 10. solid, liquid, gas
- 12. pressure is inversely proportional to volume
- 14. the change of a substance from one physical form to another
- 16. consits of different substances
- 18. a property that depends on the amount of matter in a sample
- 19. any substance that has mass and takes up space by having volume
- 21. lab technique for the separation of a mixture into its components
- 23. all collisions between atoms or molecules are perfectly elastic
- 24. can be reversible or irreversible, some properties change but the composition of the material does not change
- 28. physical separation process; separates solid matter and fluid from a mixture
- 29. a form of matter in which many of the elements wander around freely among the nuclei of the atoms
- 30. a form of matter that takes the shape and volume of its container
- 31. describes the gaseous state of a substance that is generally a liquid or solid at room temperature
- 33. a chemical reaction mass is neither created or destroyed
- 36. purifying a liquid by a process of heating and cooling
- 39. the smallest unit of ordinary matter that forms a chemical element
- 40. a form of matter that has an indefinite shape, flows, yet has a fixed volume