Which of the following radioactive decay processes

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6. Which of the following radioactive decay processes increases the atomic number of a nucleus? a. electron capture b. positron emission c. beta decay d. alpha decay 7. Which of the following particles has the same mass as an electron but a positive charge? 8. Alpha particles are … 9. Gamma rays are … 10. The process involved in the conversion of 37 82 Rb to 36 82 Kr is … a. alpha decay. b. beta decay. c. positron emission. d. neutron bombardment. 11. The process involved in the conversion of 27 57 Co to 26 57 Fe is …
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12. The isotope formed by the beta decay of 19 40 K has an atomic number of … 13. The isotope formed by the alpha decay of 92 238 U has a mass number of … 14. When the isotope 91 238 Pa decays by beta emission, the isotope formed is … a. 89 234 Ac . b. 92 237 U . c. 90 238 Th . d. 92 238 U . 15. The half-life of calcium-47 is 5 days. Starting with 64 g of this isotope, what amount remains after 20 days?
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