Chemistry final

4. stable isotope of hydrogen with a mass approximately twice that of the usual isotope.
6. the chemical element with the symbol H and atomic number 1.
7. chemical element of atomic number 6.
10. 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. particular place or point.
13. :a subatomic particle of about the same mass as a proton but without an electric charge,
16. chemical element of atomic number 2
17. :Payload is the carrying capacity of an aircraft or launch vehicle,
18. as a source of nuclear energy.
20. emission of energy as electromagnetic waves or as moving subatomic particles.
21. to change, fail, or give way; not stable.
23. hydride:DescriptionThe helium hydride ion or hydroxide helium ion or helium is a cation with the chemical formula HeH⁺.
24. close to; almost.

1. stable subatomic particle with a charge of negative electricity
2. measure of the amount of matter contained in or constituting a physical body.
3. strength and vitality required for sustained physical or mental activity.
5. imparting or exchanging of information or news..
8. radioactive isotope of hydrogen with a mass approximately
9. photon is a type of elementary particle
12. series of events that are regularly repeated in the same order.
14. colorless, odorless reactive gas
15. separate and distinct.
17. change which is a result or consequence of an action or other cause.
19. container, typically made of glass or plastic
22. wind:the continuous flow of charged particles from the sun which permeates the solar system.