1) The following are the types of radioactive decay except for a) alpha decay b) beta decay c) delta decay d) gamma decay 2) Which of the following shows the correct pair? a) alpha particle - helium atom b) alpha particle - helium ion  c) beta particle - hydrogen atom d) gamma particle - electron particle 3) The nucleus of an atom consists of a) neutron only b) proton only c) proton and electron only d) proton and neutron only 4) Which of the following is correct about element Y? a) No change in proton number. b) Proton number increases by 2.  c) Proton number increases by 4.  d) Proton number decreases by 2. 5) This figure shows an incomplete decay equation. Which of the following is the missing atom? a) b) c) d) 6) What does gamma decay emit? a) gamma atom b) gamma electron c) gamma ion d) gamma ray 7) What is the value of A and Z of an electron? a) A: -1 , Z: -1 b) A: -1 , Z: 0 c) A: 0 , Z: -1 d) A: 0 , Z: 0 8) This atom has decayed and produced A, an alpha particle and a beta particle. What is A? a) b) c) d)

Radioactive Decay

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