Chapter 4 Review Quiz Radiation, Structure, History

When an atom of Cs 137 undergoes radioactive decay it emits a beta particle. What atom results from this decay?

• Cs 136

• Ba 137

• I 133

• Cs 137

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NGSS.HS-PS1-8

An aircraft company is receiving complaints that passengers in their planes are receiving high levels of radiation from the Sun and other background radiation sources. They respond by posting the following response online: The Sun and other background sources produce alpha, beta, and gamma radiation, all of which enter Earth’s atmosphere. Based on all of the information, what statement best evaluates the airline company’s claims?

• The airline company has made a correct claim about their aircraft and radiation.

• The aluminum sheeting will not be able to block any type of radiation.

• The aluminum sheeting will not block the high energy gamma radiation.

• Aluminum could block the weak background radiation, but not the Sun’s radiation.

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NGSS.HS-PS4-3

Ernest Rutherford used alpha particles in his research which resulted in the discovery of the nucleus. Which of the following was used for this kind of particle research?

• helium nucleus

• fast moving electron

• gamma rays

• electromagnetic radiation

Which statement correctly explains the composition of the nucleus of Rubidium-87?

• Rubidium-87 has 37 protons and 37 electrons.

• Rubidium-87 has 37 protons and 37 neutrons.

• Rubidium-87 has 37 protons and 50 electrons.

• Rubidium-87 has 37 protons and 50 neutrons.

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NGSS.HS-PS1-8

What does the following hyphen notation of Helium-3 mean?

• An atom of Helium-3 has two protons, two electrons, and one neutron.

• An atom of Helium-3 has one proton, two electrons, and three neutrons.

• An atom of Helium-3 has two protons, two electrons, and three neutrons.

• An atom of Helium-3 has two protons, two electrons, and two neutrons.

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NGSS.HS-PS1-8

A sample of Element X is found to contain 72.15% of isotope type 1 (84.9118 amu) and 27.85% of isotope type 2 (86.9092 amu). Calculate the average atomic mass.

• 85.13 amu

• 85.47 amu

• 86.21 amu

• 86.49 amu

Which of the following statements is most accurate regarding atoms?

• Most atoms cannot combine with other atoms.

• Chemical reactions divide atoms into smaller units.

• Atoms of the same element may have different mass numbers.

• Atoms only contain protons.

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NGSS.HS-PS1-7

The cathode ray experiments led to which particle being discovered?

• Nucleus

• Proton

• Neutron

• Electron

Which of the following are true of the radioactive isotope C-14 and its stable form C-12? Select TWO correct answers.

• They have the same number of protons.

• They have the same number of neutrons.

• C-14 has two less neutrons than C-12.

• C-14 has two more neutrons than C-12.

• C-14 has two more protons than C-12.

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NGSS.HS-PS1-8

Carbon-14 emits a beta particle as it decays into nitrogen-14. What does the symbol for the beta particle look like?

• 0 mass -1 charge e for electron

• 4 mass 2 atomic number He for Helium

• B for beta

• 0 for mass 1 for atomic number e for electron

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NGSS.HS-PS1-8