Across
- 1. science of obtaining, processing, and communicating information about the composition and structure of matter
- 5. chemical reaction that involves the moving of electrons
- 6. temperature at which the solid and liquid phases of a substance are in equilibrium at a specified pressure
- 10. measurement of the extent of something along its greatest dimension
- 13. ratio between mass and volume or mass per unit volume
- 15. study of chemical reactions that take place in living things
- 18. unit of thermodynamic temperature
- 19. process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
- 20. type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation
- 21. quality of a substance with respect to light reflected by the object
- 22. composed of loosely packed particles and has an indefinite shape
- 25. quantity of energy of motion of the component particles
- 31. temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid
- 32. particles have a great deal of space between them and have high kinetic energy
- 34. smallest unit of matter
- 35. characteristic that can be determined without changing the substance’s chemical identity
- 38. property that does not change as the amount of matter changes
- 42. chemically the simplest substances, composed of one atom
- 43. amount of matter in an object
- 44. unit of luminous intensity
- 47. material made up of two or more different substances which are physically combined
- 48. mixture consists of visibly different substances or phases
- 49. property that changes when the amount of matter changes
Down
- 2. substance formed when two or more chemical elements are chemically bonded together
- 3. unit of amount in chemistry
- 4. process used to separate solids from liquids or gases using a filter
- 7. degree to which a chemical substance can damage an organism
- 8. characteristic that can be determinedby changing a substance’s molecular structure
- 9. study of the structure, properties, and preparation of chemical compounds
- 11. ability of a chemical to burn or ignite, causing fire or combustion
- 12. study of the properties and behaviour of inorganic compounds
- 14. tendency of a substance to undergo chemical reaction to release energy.
- 16. method of heating a liquid to create vapor which is collected when cooled separate from the original liquid
- 17. method by which a mixture is separated by distributing its components between two phases
- 20. homogeneous mixture of two or more substances
- 23. study of the effect of chemical structure on the physical properties of a substance
- 24. energy released when a compound undergoes complete combustion with oxygen
- 26. emission of radiation in the form of particles or high energy photons
- 27. mixture that has the same proportions of its components
- 28. study of the composition, structure, and properties of matter
- 29. quantity of three-dimensional space occupied by a liquid, solid, or gas
- 30. study of the quantitative relationships between two or more substances undergoing a physical change or chemical change
- 33. substance microscopically dispersed evenly throughout another substance
- 36. basic unit of length
- 37. the basic unit of mass
- 39. any non-zero digits or trapped zeros
- 40. material that has a constant composition and has consistent properties
- 41. composed of tightly packed particles
- 45. unit of electric current equal to one coulomb per second
- 46. any standard used for making comparisons in measurements