NUCLEAR - Nuclear 1. 105 45 Rh has a neutron to proton...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Nuclear 1. has a neutron to proton ratio slightly higher than needed to place it on the belt of stability. The type of radioactive decay it is likely to undergo is: 45 105 Rh A. α emission B. β emission C. electron capture D. positron emission E. none of the above 2. In the following nuclear reaction, what are the values of x and y? 90 230 Th 2 4 He + y x M A. x = 226, y = 90 B. x = 230, y = 88 C. x = 226, y = 88 D. x = 228, y = 86 E. x = 234, y = 92 3. Which of the following isotopes is most likely to be a positron emitter? A. 25 Si B. 27 Mg C. 32 Si D. 25 Mg E. 28 Si 4. Which of the following types of nuclear decay results in an increase in the nuclear charge? A. alpha emission B. positron emission C. beta emission D. electron capture E. gamma emission
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. When 92 235 is bombarded with one neutron, fission occurs and the products are three neutrons, and U 36 94 K A 56 139 Ba B 56 141 Ba C Ce 139 58 D 54 139 Xe E 53 142 I 6. can be prepared by electron capture from, 25 55 Mn A 24 55 Cr B 26 55 Fe C 25 56 Mn D 23 56 V E 26 56 Fe 7. The half-life of 239 Pu is 24,000 years What fraction of the
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

NUCLEAR - Nuclear 1. 105 45 Rh has a neutron to proton...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online