Across
- 4. mixture that contains substances that are not mixed evenly
- 5. matter that has definite volume and definite shape
- 7. another name for homogeneous mixture
- 8. amount of mass in a given volume
- 12. pure substance containing only one type of atom
- 14. matter that contains particles that are moving fast and far apart
- 15. positively charged particle in the nucleus of an atom
- 17. bond between elements of opposite charge
- 19. type of matter found mostly in outer space
- 20. area of atom that contains protons and neutrons
Down
- 1. bond in which atoms share electrons
- 2. atoms of the same element with a different number of neutrons
- 3. mixture that contains substances that are mixed evenly
- 6. matter that had definite volume, but no definite shape
- 9. atomic particle that has a negative charge
- 10. smallest particle of an element
- 11. particle in nucleus of an atom that has no charge
- 13. bond in which electrons are free to move from ion to ion
- 16. electrically charged atom
- 18. two or more substances that are chemically bonded together