Which of the following statements are true (or at least aren't obviously false)? Choose all that apply. Oo has 11 neutrons. Ga + e* 67 Ge+v After 2 h, half of a radioactive sample had decayed. Thus, the half-life of the sample was 1 h. The strong nuclear force between neutrons and electrons is what keeps the electrons in orbit around the nucleus

University Physics Volume 3
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Author:William Moebs, Jeff Sanny
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Chapter10: Nuclear Physics
Section: Chapter Questions
Problem 37P: A radioactive sample initially contains 2.40102 mol of a radioactive material whose half-life is...
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Which of the following statements are true (or at least aren't obviously false)? Choose all that apply.
180 has 11 neutrons.
185Hg 181pt + a
189Hg 189T1+ e*
67 Ga + et
67 Ge + v
After 2 h, half of a radioactive sample had decayed. Thus, the half-life of the sample was 1 h.
The strong nuclear force between neutrons and electrons is what keeps the electrons in orbit around the nucleus.
Transcribed Image Text:Which of the following statements are true (or at least aren't obviously false)? Choose all that apply. 180 has 11 neutrons. 185Hg 181pt + a 189Hg 189T1+ e* 67 Ga + et 67 Ge + v After 2 h, half of a radioactive sample had decayed. Thus, the half-life of the sample was 1 h. The strong nuclear force between neutrons and electrons is what keeps the electrons in orbit around the nucleus.
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