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