What is the change in the nucleus that results from the following decay scenarios? a. emission of a ß particle b. emission of a ß* particle c. capture of an electron
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- 3D. Write the equation for the alpha decay of Thorium-232. b) Write the element that is formed in the alpha decay of Thorium-232. Your answer3C. Write the equation for the beta-positive decay of Potassium-40. b) Write the element that is formed in the beta-positive decay of Potassium- 40. Your answerWhen a nucleus undergoes beta decay, A. its mass number decreases by 2. B. its atomic number increases by 1. C. It emits a proton D. It emits a high energy photon
- Q3: The table shows two isotopes of potassium and two isotopes of calcium. Type of emission Mass of neutral atom / u Number of electrons Number of protons Number of neutrons Total mass/u Mass defect/ u Binding energy / J Mass of the electron = 0.000549 u Mass of the proton = 1.007276 u Mass of the neutron = 1.008665 u TI ***** LEG 39K Stable 38.96371 SE nda 42K ß decay a) Use data about potassium-42 to explain the concept of mass defect. 3000 41.9624 19 19 23 42.34797 0.38557 5.76 x 10-11 De RAP 39 Ca ßt decay 38.9707 440 **** ****** D 42 Ca stable 41.958635. What particle (a particle, electron, or positron) is emitted in the following radioactive decays? Show the decay equation. 27 27 a) 14Si → 23Al b) 232U → 234Th 92 90 74 74 c) 33 As → 34Se32NE decays by B decay. Which of these is the correct reaction? 10 Select one: of 1 O a. 3 Ne B + 3F 10 1. tion O b.Ne → °B+ 3}F 10 O c. Ne → _°ß+ {Na B+Na. 32 11 10 O d. Ne B+ Na 33 Na 08 10 2 The half-life of 2 U is 70 years. How long would it take for all but 232