Across
- 5. a gas loses energy and comes together to form a liquid.
- 6. are more loosely packed than in a solid and are able to flow around each other.
- 8. its "potential" to undergo some chemical change or reaction by virtue of its composition.
- 10. particles have a great deal of space between them and have high kinetic energy.
- 11. conversion of a liquid to a gas and can occur through either evaporation or boiling.
- 14. a substance can be flattened
- 16. much matter in the sample
- 20. study of carbon and its compounds; the study of the chemistry of life.
- 24. a substance that cannot be broken down into simpler ones by chemical changes.
- 25. a solid is converted directly into a gas without going through a liquid phase.
- 26. chemical composition of a substance is altered in a process called a ____.
- 27. solid matter is heated, it eventually changes into a liquid state at the _____.
- 28. that takes up space and has mass is matter.
- 33. many significant figures are there in 3.0800?
- 35. change/results in one or more substances of entirely different composition from the original substances.
- 36. a common abbreviation for significant figures.
- 38. much space the sample takes up
- 39. place without any changes in molecular composition
- 40. branch of science that deals with the identification of the substances of which matter is composed.
- 41. a gas transforms directly into a solid, without going through the liquid phase.
- 42. two or more elements and has chemical and physical properties that are usually different from those of the elements of which it is composed.
- 44. all portions of a material are in the same state, have no visible boundaries, and are uniform throughout, then the material is ____.
- 45. physical property that will change if the amount of matter changes.
- 46. study of matter, and the development of tools to measure properties of matter.
- 48. elements are listed in the _____.
- 49. the liquid matter is heated further it eventually boils or vaporizes into a gas at the ____.
- 50. us what the scale of measurement is.
Down
- 1. study of inorganic compounds, or compounds that don't contain a C-H bond.
- 2. long the sample is
- 3. study of chemical processes that occur inside of living organisms.
- 4. of highly charged particles with extremely high kinetic energy. Stars are essentially superheated balls of ______.
- 7. concept of _____ takes limitation into account.
- 9. be observed or measured without changing the composition of matter
- 12. branch of chemistry that applies physics to the study of chemistry.
- 13. us how many
- 15. shiny the substance looks
- 17. any matter that has a fixed chemical composition and characteristic properties.
- 18. to study quantum mechanics on a macroscopic level.
- 19. use of differences in volatility, a measure of how easily a substance is converted to a gas at a given temperature.
- 21. digits are always significant.
- 22. mixtures are also called ______.
- 23. many significant figures are there in 3.200 x 10^9?
- 29. amount of something and consists of a number and a unit.
- 30. to flow through the substance
- 31. the composition of a material is not completely uniform, then it is _____.
- 32. mixtures based on differences in solubility, a measure of how much solid substance remains dissolved in a given amount of a specified liquid.
- 34. be separated into pure substances, which may be either elements or compounds.
- 37. pigment or shade
- 43. a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed.
- 47. matter is made up of, which are in turn made up of protons, neutrons, and electrons.