chemistry final crossword

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Across
  1. 1. (The emission of energy as electromagnetic waves or as moving subatomic particles.)
  2. 2. wind: (the continuous flow of charged particles from the sun which permeates the solar system.)
  3. 4. ( A measure of the amount of matter contained in or constituting a physical body.)
  4. 6. (very close to; almost.)
  5. 9. (the chemical element of atomic number 6.)
  6. 11. series of events that are regularly repeated in the same order.)
  7. 14. (a stable subatomic particle with a charge of negative electricity )
  8. 16. a change which is a result or consequence of an action or other cause.)
  9. 19. (a stable isotope of hydrogen with a mass approximately twice that of the usual isotope.)
  10. 20. Fission:( is a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products,)
  11. 21. (a colorless, odorless reactive gas)
  12. 22. as a source of nuclear energy.)
  13. 24. strength and vitality required for sustained physical or mental activity.)
Down
  1. 1. individually separate and distinct.)
  2. 3. (is the chemical element with the symbol H and atomic number 1.)
  3. 5. (an article or substance that is manufactured or refined for sale.)
  4. 7. (a radioactive isotope of hydrogen with a mass approximately)
  5. 8. bottle: (a container, typically made of glass or plastic )
  6. 10. (prone to change, fail, or give way; not stable.)
  7. 12. chemical element of atomic number 2)
  8. 13. (a particular place or point.)
  9. 15. (a subatomic particle of about the same mass as a proton but without an electric charge,)
  10. 17. the imparting or exchanging of information or news...)
  11. 18. (Payload is the carrying capacity of an aircraft or launch vehicle,)
  12. 23. (the strength and vitality required for sustained physical or mental activity.)