Atomic Nucleus and Radioactivity Quiz

What force holds the particles together in the nucleus of an atom?

• Gravitational force

• Electromagnetic force

• Strong nuclear force

• Weak nuclear force

Which force is a combination of electrostatic and magnetic forces?

• Gravitational force

• Weak nuclear force

• Electromagnetic force

• Strong nuclear force

What keeps the positively charged protons packed so close to each other in the nucleus?

• Weak nuclear force

• Strong nuclear force

• Electromagnetism

• Gravity

What is the result of particles popping off from a large nucleus?

• Radioactive decay

• Atomic bonding

• Nuclear fusion

• Nuclear fission

Which element has a nucleus that is too big for the strong force to be effective?

• Element number 50

• Element number 20

• Element number 70

• Element number 83

What occurs in elements with large nuclei due to the ineffectiveness of the strong force?

• Nuclear fusion

• Atomic bonding

• Nuclear fission

• Radioactive decay

What determines how things behave on a large scale, such as the orbit of planets around the sun?

• Weak nuclear force

• Strong nuclear force

• Electromagnetism

• Gravity