Unit 2 Quiz 2 Nuclear energy

What happens to an atom's atomic number when it emits a beta particle?

• It increases by 1

• It decreases by 2

• It remains the same

• It increases by 2

Which of the following is an example of beta decay?

• 
• 
• 
• 

Which of the following materials is effective in shielding against beta particles?

• A thin plastic sheet

• A thick block of iron

• A layer of glass

• A sheet of cardboard

Which type of radiation is purely energy and has no mass or charge?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Delta radiation

Which type of radiation is the least penetrating but most dangerous if inhaled or ingested?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Delta radiation

In a nuclear reaction, what is NOT conserved?

• Only mass

• Only energy

• Mass number and atomic number

• Mass and energy

What happens to a neutron in beta decay?

• It splits into two smaller neutrons

• It turns into a proton and releases an electron

• It disappears completely

• It becomes an alpha particle

An isotope of thorium undergoes alpha decay. What element is formed?

• Radon

• Uranium

• Actinium

• Radium

If an element undergoes gamma decay, how does its atomic number change?

• It increases

• It decreases

• It remains the same

• It doubles

What is the biggest challenge in managing nuclear waste?

• Finding ways to make it disappear completely.

• Preventing radiation leaks and ensuring long-term storage.

• Recycling all nuclear waste into new fuel.

• Mixing it with water to dilute its effects.