Exploring Nuclear Reactions and Their Impact

Which force is responsible for the formation of atoms and chemical bonds?

• Gravity

• Electromagnetism

• Weak nuclear force

• Strong nuclear force

What is the primary role of the weak nuclear force?

• Attracting protons and electrons

• Facilitating nuclear decay

• Operating on astronomical distances

• Keeping the nucleus together

Who discovered radioactivity and in what year?

• Marie Curie in 1903

• Henri Becquerel in 1896

• Ernest Rutherford in 1911

• Albert Einstein in 1905

What is an alpha particle composed of?

• One electron

• Two protons and two neutrons

• One positron

• One proton and one neutron

How is a positron different from an electron?

• It is a photon of light

• It has a positive charge

• It has a negative charge

• It has no mass

What happens during beta emission?

• A proton becomes a neutron

• A neutron becomes a proton

• An electron is absorbed

• A gamma photon is emitted

What is the neutron-to-proton ratio for smaller atoms?

• 1:1

• 1.5:1

• 2:1

• 0.5:1

What is the primary reason radiation is harmful to biological organisms?

• It disrupts blood flow

• It increases body temperature

• It causes chemical reactions

• It tears through cells and can mutate DNA

What is the term for the time it takes for a radioactive material to be reduced to half its original amount?

• Reduction time

• Radioactive period

• Half-life

• Decay time

What equation represents the conversion of matter into energy?

• E=mc

• E=mc^3

• E=mv^2

• E=mc^2