Answer the following questions if TRUE or False. (21-30) 21. Argon gas is naturally occuring radioactive nuclide found in soil. * True False 22. Electricity can be generated from a nuclear power plant using fusion. * True False 23. Proton ha its own energy level like the electron. * True False
Answer the following questions if TRUE or False.
(21-30)
21. Argon gas is naturally occuring radioactive nuclide found in soil. *
True
False
22. Electricity can be generated from a nuclear power plant using fusion. *
True
False
23. Proton ha its own energy level like the electron. *
True
False
24. When neutron to proton ratio or n/p of the atom is farther from 1, the atom is more stable. *
True
False
25. UV and Gamma rays are highly energtic form of radiation. *
True
False
26. Electron beams are used in PET or Positron Emission Tomography. *
True
False
27. Radioactivity was discovered by Wilhem Roentgen. *
True
False
28. Electrons are in excited state when they loose energy. *
True
False
29. The mass number of the atom corresponds to its number of protons. *
True
False
30. Beta particle can only be stopped by lead ,Pb sheet or concrete slab. *
True
False
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