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Author Question: Which of the following describes radioactive decay by beta particle emission? (Read 65 times)

WWatsford

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on: Feb 28, 2020

Question 1

Which of the following is not a very long-lived, radioactive isotope?
◦ C-14
◦ U-238
◦ K-40
◦ Rb-87

Question 2

Which of the following describes radioactive decay by beta particle emission?
◦ The daughter isotope has an atomic number one less than the parent and a mass number two less.
◦ The atomic number of the daughter isotope is one more than the parent; the mass numbers are the same.
◦ The mass number of the daughter isotope is one more than the parent, and both isotopes have the same atomic number.
◦ The daughter isotope has an atomic number two less than the parent and a mass number four less.
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Marked as best answer by WWatsford on Feb 28, 2020

BAOCHAU2803

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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WWatsford

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Reply 2 on: Feb 28, 2020
:D TYSM

pratush dev

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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