1) Which of the following quantities remains the same after beta decay? a) Atomic Mass b) Number of Protons c) Atomic Number d) Number of Electrons 2) The following reactions changes the nucleus of an element except; a) Gamma Ray Emission b) Neutron Capture Process c) Beta Decay d) Alpha Emission 3) Heavy elements tend to emit radiation in the forms of alpha, beta and gamma rays to a) Form new elements b) To attain nuclei stability c) To increase their atomic masses d) To decrease their atomic masses 4) The following are true about beta-decay except; a) Atomic Number decreases by 2 b) Number of Neutrons decreases by 2 c) Atomic mass remain the same d) Number of protons decreases by 2 5) Which of the following is composed of electromagnetic radiation. a) Gamma Rays b) Beta Particles c) Alpha Particles d) Positron Emission

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