Across
- 3. a substance made up of two or more elements bonded together
- 4. two or more atoms bonded together, the smallest particle of a compound
- 5. the amount of matter in an object
- 7. atomic particle that orbits the nucleus and has a negative charge
- 8. a basic form of matter that can exist as one atom
- 10. atomic particle in the nucleus that has a positive charge
Down
- 1. the smallest particle of an element
- 2. matter made of only one type of atom or molecule which has defined physical and chemical properties
- 5. anything that has mass and takes up space
- 6. the amount of space that an object takes up
- 9. atomic particle with no charge that is in the nucleus