Quiz on Subatomic Particles

What experiment led to the discovery of the nucleus?

• Thompson's Experiment

• Geiger-Marsden-Rutherford Experiment

• Bohr's Model

• Coulomb's Law

What is the relationship between photon frequency and energy levels?

• E = 1/2 kx^2

• E = mv^2

• E = hf

• E = mc^2

Which particle is negatively charged and orbits the nucleus?

• Electron

• Neutron

• Proton

• Nucleon

What does the term 'nucleon number' refer to?

• Number of protons only

• Number of neutrons only

• Total number of electrons

• Total number of protons and neutrons

What is the primary force that holds the nucleus together?

• Weak nuclear force

• Strong nuclear force

• Electromagnetic force

• Gravitational force

Which model proposed that electrons exist in discrete energy levels?

• Dalton's Model

• Thompson's Model

• Rutherford's Model

• Bohr's Model

What is the significance of isotopes?

• They have different chemical properties

• They have the same number of protons

• They have different atomic numbers

• They are always radioactive

What is the formula for mass-energy equivalence?

• E = mc^2

• E = mv^2

• E = hf

• E = 1/2 kx^2

What type of decay emits alpha particles?

• Neutron decay

• Beta decay

• Gamma decay

• Alpha decay

What is the role of control rods in a nuclear power plant?

• To increase the temperature

• To cool the reactor

• To absorb neutrons

• To produce electricity