Across
- 1. particle with no electric charge
- 2. particles with more than one atom joined together
- 6. ability to be bent, hammered or flattened
- 7. ability to be pulled into thin wires
- 8. the amount of matter in an object
- 12. small particles with a negative electric charge
- 13. the smallest unit of an element
- 14. anything that has mass and volume
Down
- 1. the center of an atom
- 3. the resistance to sinking
- 4. a material that cannot be broken down further
- 5. the amount of mass for each cm of a substance
- 9. how strongly gravity pulls on an object
- 10. a particle with a positive electric charge
- 11. measures how much space matter takes up