Across
- 4. A mixture that is completely uniform in composition; its components are not readily distinguished
- 7. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- 10. Can be separated into simpler substance elements or other compounds only by chemical reactions
- 12. One of a class of elements that are not lustrous and are generally poor conductors of heat and electricity
- 13. A measurement that gives definite usually numeric results
- 15. Anything that takes up space and has mass
- 17. The changing of substances to other substances by the breaking of bonds,reactants and the formation bonds in products
- 19. A form of matter that flows,has a fixed volume takes the shape of its container
- 20. The amount of matter that an object contains
Down
- 1. A mixture that is not uniform in composition; its components are readily distinguished
- 2. Matter that has a definite shape and volume
- 3. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- 5. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- 6. A substance that cannot be changed into a simpler substance
- 8. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- 9. A measurement that gives descriptive non-numeric results
- 11. The space occupied by a sample of matter
- 14. The ratio of the mass of an object to its volume
- 16. Matter that has no definite shape or volume; it adapts the shape and volume of its container
- 18. A physical blend or 2 or more substances that are not chemically combined