chemistry final crossword

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