Chemistry final crossword

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