Across
- 2. states of an atom
- 5. shortest distance between points
- 8. bonded group of atoms
- 10. positive ion charge
- 11. negative ion charge
- 12. major energy levels
- 14. high speed electron
- 15. arrangement of an electron in an atom
- 17. no mass but carries a quantum if energy
- 18. no mass and no electron charge
- 19. lowest energy of an atom
- 21. shows the mass number and atomic number
- 22. levels that are contained by principal energy levels
Down
- 1. number of waves that passes a given point
- 3. pairs of dots
- 4. determines the chemical property
- 6. has 2 protons and 2 neutrons its also equivalent to a helium nucleus
- 7. goes to a higher energy state to lower
- 9. of energy that has wavelike behavior
- 13. is when particles and rays and more are emitted by radioactive particles
- 16. energy that can be lost or gained by an atom
- 20. is when substances emit radiation