Understanding Mass Defect and Binding Energy

What is the overall charge of the nucleus in an atom?

• Variable

• Neutral

• Negative

• Positive

Which subatomic particle is neutrally charged?

• Positron

• Electron

• Neutron

• Proton

What is the approximate mass of a neutron in unified atomic mass units?

• 1.000000 u

• 0.000548 u

• 1.008665 u

• 1.007276 u

How does the mass of an electron compare to that of a proton?

• Equal

• Twice as much

• 2000 times less

• 2000 times more

What equation is used to relate mass defect to energy?

• P = IV

• F = ma

• V = IR

• E = mc^2

What is the process called when hydrogen atoms combine to form helium, releasing energy?

• Chemical reaction

• Radioactive decay

• Nuclear fusion

• Nuclear fission

In the example calculation, what is the mass number of beryllium-7?

• 4

• 7

• 3

• 1

What is the mass defect of beryllium-7 in unified atomic mass units?

• 1.008665 u

• 0.000548 u

• 1.007276 u

• 0.40366 u

How is the binding energy per nucleon calculated for beryllium-7?

• Multiply total binding energy by 4

• Multiply total binding energy by 7

• Divide total binding energy by 7

• Divide total binding energy by 4

What is the energy equivalent of one unified atomic mass unit in mega electron volts?

• 0.000548 MeV

• 931.49 MeV

• 1.008665 MeV

• 939.57 MeV