Isotopes and Their Applications Quiz

What defines an isotope of an element?

• Same number of protons and neutrons

• Different number of protons and neutrons

• Different number of protons, same number of neutrons

• Same number of protons, different number of neutrons

Which of the following is a characteristic of Carbon-14?

• It has 7 protons and 7 neutrons

• It is stable and does not decay

• It is used in nuclear reactors

• It is radioactive and decays over time

What is the half-life of Carbon-14?

• 10,000 years

• 1000 years

• 5730 years

• 2000 years

What is the primary use of Cobalt-60 in medicine?

• To treat bacterial infections

• To target and destroy cancerous tumors

• To enhance MRI imaging

• To measure bone density

What type of radiation does Cobalt-60 emit?

• Alpha particles

• Gamma rays

• Neutron radiation

• Beta particles

Which isotope of uranium is most commonly used in nuclear reactors?

• Uranium-239

• Uranium-238

• Uranium-235

• Uranium-240

What particles are emitted during the decay of uranium isotopes?

• Only gamma radiation

• Alpha particles, beta particles, and gamma radiation

• Only alpha particles

• Only beta particles

What is the most common natural uranium isotope?

• Uranium-240

• Uranium-239

• Uranium-238

• Uranium-235

What is the result of Cobalt-60 decay?

• Nickel-60 and gamma radiation

• Zinc-60 and alpha radiation

• Iron-60 and gamma radiation

• Copper-60 and beta radiation

What is the role of protons in an atom?

• Determine the atomic mass

• Determine the isotope type

• Determine the chemical reactivity

• Identify the element