Across
- 6. Any characteristic that can be determined without changing the substance’s chemical identity
- 8. sublimating material changes from a solid to a gas
- 10. is essentially a physical method of separation in which the components of a mixture are separated by their distribution between two phases
- 11. is a group of atoms cooled to within a hair of absolute zero
- 14. is a common abbreviation for significant figures
- 16. substance composed of two or more elements in fixed proportions
- 18. Any characteristic of matter that does not depend on the amount of the substance present
- 19. gas to solid
- 20. separation of liquids by density and solubility
- 23. A process that does not cause a substance to become a fundamentally different substance
- 24. A process that causes a substance to change into a new substance with a new chemical formula.
- 27. Heat involved in chemical processes
- 28. holds a definite shape and volume
- 32. is defined as a process by which a chemical is converted from a liquid solution into a solid crystalline state
- 36. Any characteristic that can be determined only by changing a substance’s molecular structure
- 39. Chemical processes in industry
- 40. Parts and composition of matter
- 42. some substances are attracted to a magnet field and can be "pulled" from a mixture
- 44. is the one which made up of molecules containing the same kind of atoms
- 45. which all numbers are significant
- 46. A substance that cannot be broken down into chemically simpler components
- 47. separation by solubility
- 48. Solids and liquids can be changed from one state to another by heating or cooling.
- 49. is an effective method to separate mixtures comprised of two or more pure liquids
Down
- 1. is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- 2. Matter and the environment
- 3. have characteristics common to metals as well as non-metals
- 4. A material composed of two or more substances
- 5. Polymers and plastics
- 7. Deals with the processes of living
- 9. is a mixture in which the composition is not uniform throughout the mixture
- 12. generally non lustrous; ex: Sulphur,nitrogen,etc.
- 13. is a mixture in which the composition is uniform throughout the mixture
- 15. has an indefinite shape and able to flow
- 17. Focuses on carbon-containing compounds
- 18. Focuses on compounds that DON'T contain
- 21. Free charged particles such as ions and
- 22. has no definite shape or volume
- 25. everything that takes up space and has mass
- 26. Behavior and changes of matter and the
- 29. it has a uniform and definite composition
- 30. fundamental unit of matter
- 31. Chemical interactions
- 32. A process involving the breaking or making of inter atomic bonds and the transformation of a substance into another
- 33. generally solids such as copper,iron,etc.
- 34. which are zeros at the beginning of a decimal number less than 1, are not significant
- 35. liquid or solid to gas
- 37. Any characteristic of matter that depends on the amount of matter being measured
- 38. energy changes
- 41. which are zeros at the end of a number, are significant only if the number has a decimal point
- 43. process by which electric current is passed through a substance to effect a chemical change