Chemistry Quiz

Match each choice with the correct radiation type.

• 2+ charge, blocked easily

• high-speed electrons

• no charge, electromagnetic radiation

In a hospital setting, which type of radiation is commonly used for imaging due to its ability to penetrate through the body?

• Gamma rays
• Ultraviolet rays
• Infrared radiation
• X-rays

Label the following diagram, which shows how the different types of radiation are affected by an electric field, with the type of radiation that corresponds to each path.

• Alpha particles

• Beta particles

• Gamma rays

What are isotopes of atoms with unstable nuclei called?

• nuclear isotopes
• radioisotopes
• isotopes
• unstable isotopes

What particle emitted during radioactive decay has a mass of 4 amu?

• Alpha particle
• Gamma ray
• Beta particle
• Neutron

Which type of radiation consists of high-energy electrons?

• Gamma radiation
• Alpha radiation
• Neutron radiation
• Beta radiation

The diagram above shows alpha particles, beta particles, and gamma rays passing through a screen and between two charged plates. What can you infer about the identity of each radiation path (a, b, and c)? Explain your answer.

• a: Alpha particles, b: Beta particles, c: Gamma rays
• a: Beta particles, b: Gamma rays, c: Alpha particles
• a: Alpha particles, b: Gamma rays, c: Beta particles
• a: Gamma rays, b: Alpha particles, c: Beta particles

Explain one way in which nuclear chemistry is used to diagnose or treat disease.

• Nuclear chemistry is used to create new diseases
• Nuclear medicine involves the use of herbal remedies
• Radioactive isotopes are used in nuclear chemistry to cook food
• Radioactive isotopes are used in nuclear medicine to diagnose and treat diseases.

Alpha particles have low penetrating power because of their ________.

• high mass and positive charge

• low mass and negative charge

• high mass and negative charge

• low mass and positive charge

In an atom, the strong nuclear force acts on __.

• protons and neutrons

• protons only

• protons, neutrons, and electrons

• neutrons only