Chemistry definition crossword

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Across
  1. 6. The lowest frequency and longest wavelength of the EM Spectrum
  2. 7. 6.626x10^-34
  3. 9. electrons that are in the outermost shell or energy level.
  4. 10. Transfer of heat by electromagnetic waves
  5. 12. Absolute zero
  6. 13. Study of energy changes that happen during chemical reactions
  7. 14. Atoms of the same element with different numbers of neutrons
  8. 15. Charged particle
  9. 17. A type of reaction that absorbs heat
  10. 19. The weighted average of all the naturally occurring isotopes of that element
  11. 20. Transfer of heat by fluid motions of materials
  12. 22. 3.0x10^8
  13. 24. The capacity to move, do work, change matter, or produce heat.
  14. 25. A neutral subatomic unit that is in the nucleus
Down
  1. 1. Thermal equilibrium
  2. 2. Determines the identity of an element
  3. 3. The electron arrangement in an atom
  4. 4. A type of reaction that releases heat
  5. 5. Energy is neither created or destroyed
  6. 8. Flow of heat between objects by contact
  7. 11. Smallest part of an element that maintains the properties of that element
  8. 16. The energy of an object's motion
  9. 18. A measure of disorder in a system
  10. 21. A negative subatomic unit that is in the electron cloud
  11. 23. Energy stored in chemical bonds