a. Two or more nuclei combine to form one larger nucleus in the process of nuclear_ i) fission, ii) tracing, iii) fusion, iv) decay b. What is meant by the term "half-life"? i) the amount of time it takes for some of the nuclei in a sample of the isotope to decay, ii) the amount of time it takes for half the nuclei in a sample of the isotope to decay, iii) the amount of time it takes for half the electrons in the sample of the isotope to decay, iv) the amount of time it takes to double the nuclei in a sample of the isotope. c. Which of the following particles has the same mass as a beta particle? i) a neutron, ii) a positron, iii) a gamma ray, iv) a proton, v) an alpha particle. d. All atoms of a given element have the same i) mass number, ii) number of neutrons, iii) atomic mass, iv) number of nucleons, v) atomic number. e. All isotopes with an atomic number greater than are unstable and radioactive. i) 83, ii) 80, iii) 86, iv) 43, v) 90.

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Chapter1: Chemical Foundations
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7a.
Nuclear Chemistry
Circle the correct choice or fill in the blanks in each of the following
questions:
a. Two or more nuclei combine to form one larger nucleus in the process of nuclear_
i) fission, ii) tracing, iii) fusion, iv) decay
b. What is meant by the term "half-life"?
i) the amount of time it takes for some of the nuclei in a sample of the isotope to decay,
ii) the amount of time it takes for half the nuclei in a sample of the isotope to decay,
iii) the amount of time it takes for half the electrons in the sample of the isotope to decay,
iv) the amount of time it takes to double the nuclei in a sample of the isotope.
c. Which of the following particles has the same mass as a beta particle?
i) a neutron, ii) a positron, iii) a gamma ray, iv) a proton, v) an alpha particle.
d. All atoms of a given element have the same i) mass number, ii) number of neutrons,
iii) atomic mass, iv) number of nucleons, v) atomic number.
e. All isotopes with an atomic number greater than
i) 83, ii) 80, iii) 86, iv) 43, v) 90.
are unstable and radioactive.
Transcribed Image Text:7a. Nuclear Chemistry Circle the correct choice or fill in the blanks in each of the following questions: a. Two or more nuclei combine to form one larger nucleus in the process of nuclear_ i) fission, ii) tracing, iii) fusion, iv) decay b. What is meant by the term "half-life"? i) the amount of time it takes for some of the nuclei in a sample of the isotope to decay, ii) the amount of time it takes for half the nuclei in a sample of the isotope to decay, iii) the amount of time it takes for half the electrons in the sample of the isotope to decay, iv) the amount of time it takes to double the nuclei in a sample of the isotope. c. Which of the following particles has the same mass as a beta particle? i) a neutron, ii) a positron, iii) a gamma ray, iv) a proton, v) an alpha particle. d. All atoms of a given element have the same i) mass number, ii) number of neutrons, iii) atomic mass, iv) number of nucleons, v) atomic number. e. All isotopes with an atomic number greater than i) 83, ii) 80, iii) 86, iv) 43, v) 90. are unstable and radioactive.
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