Across
- 3. the highest point or peak of a wave
- 6. the smallest unit of an element that still has the element's properties
- 7. 3.00x10⁸m/s
- 8. the number of repeating events that occur in a specific unit of time
- 10. the distance over which the wave's shape
- 14. a substance that cannot be broken down into simpler substances
- 15. negatively charged particles in the nucleus
- 18. a specific pattern of colored light
- 19. the smallest, discrete unit of energy or matter
- 20. is a wave's height or maximum disturbance from its resting point
- 22. red,orange,yellow,green,blue,indigo,violet
- 23. the center of an atom
- 24. neutrally charged particles in the nucleus
- 25. the lowest point of a wave or the greatest negative displacement from its resting shells
Down
- 1. a model that describes an atom as having a central nucleus with electrons orbiting it in
- 2. electrons in the outermost shell
- 4. a form of energy that travels through space as a wave or as a particle
- 5. a stream of photons
- 9. a number of protons found in an atom's nucleus, which determines what type of element it is
- 11. a three-dimensional region around an atom's nucleus where an electron is likely to be found
- 12. 6.626x10⁻³⁴Js
- 13. a letter abbreviation for a chemical element
- 16. positively charged particles in the nucleus
- 17. atoms with the same number of protons but have a different number of neutrons
- 21. the ability to do work