Across
- 3. Typical atoms have the _____ number of protons and electrons
- 4. The number of _____ in an atom determine what element that atom is
- 5. The smallest stable particles of matter
- 7. Electrons have a _____ charge
- 11. Protons and _____ are located in the nucleus
- 12. Particles that orbit the nucleus of an atom
- 14. Protons and Neutrons and much _____ than electrons
Down
- 1. Neutrons have a _____ charge
- 2. Every element in the universe is listed on the _____
- 6. The power that holds the nucleus of an atom together is called the _____
- 8. The core of an atom is called the ____
- 9. Anything that has mass and takes up space
- 10. Protons have a _____ charge
- 13. The pure substances that make up everything in the universe