Across
- 3. ions that are positively charged
- 5. substance made of 2 or more different elements that can be separated
- 7. atoms that are not electrically balanced
- 8. particles of matter with a positive charge
- 9. study of physical materials that make up our world
- 12. substance made from one kind of atom
- 13. tiny particles that make up matter
- 14. the center of an atom
- 15. particles of matter with a negative charge
Down
- 1. hot gas whose matter is broken into charged particles
- 2. does not have definite shape or volume
- 4. particles of matter with no charge
- 6. building blocks of life that have mass and take up space
- 9. substance made up of 2 or more different elements bound together in constant ratio
- 10. has definite shape and volume
- 11. ions that are negatively charged
- 16. conforms to the shape of its container and has definite volume