Atomic Structure & Waves Crossword - Aryan Sharma

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Across
  1. 2. – Dense center of the atom containing protons and neutrons.
  2. 6. – Positively charged subatomic particle.
  3. 7. – Height of a wave from rest position to crest.
  4. 9. – The lowest energy level of an electron.
  5. 10. – Neutral subatomic particle.
  6. 11. – The part of the electromagnetic spectrum that humans can see.
  7. 13. – Concept that light behaves like both a particle and a wave.
  8. 15. – Calculated by multiplying Planck’s constant by frequency.
  9. 16. – A packet of energy absorbed or emitted.
  10. 19. – A group of atoms bonded together.
  11. 21. – The full range of wavelengths of electromagnetic radiation.
  12. 23. – Type of wave that includes visible light, microwaves, and X-rays.
  13. 24. – Negatively charged subatomic particle.
  14. 25. – Three times ten to the eighth meters per second.
Down
  1. 1. – Atoms of the same element with different numbers of neutrons.
  2. 3. – A higher energy level that an electron may occupy after absorbing energy.
  3. 4. – Number of wave cycles per second.
  4. 5. – Distance between two consecutive crests of a wave.
  5. 8. – A particle of light.
  6. 12. – Six point six three times ten to the negative thirty-four joules seconds.
  7. 14. – Radiation with longer wavelength than red light.
  8. 17. – Smallest unit of an element.
  9. 18. – Atomic model where electrons orbit the nucleus in set energy levels.
  10. 20. – A substance made of only one type of atom.
  11. 22. – Radiation with shorter wavelength than violet light.