NUCLEAR BINDING ENERGY

Which of these are FALSE about nucleons?

• Nucleons are subatomic particles.

• Nucleons are located in the nucleus of an atom.

• Protons or neutrons are nucleons.

• Nucleons are has negative electric charge.

What force that keep the protons and neutrons together and stable in the nucleus?

• Columbic Force

• Gravitational Force

• Centripetal Force

• Nuclear force.

Uranium-235 has 92 protons and a binding energy of 1786 MeV. Calculate its binding energy per nucleon.

• 19.4 MeV

• 7.6 MeV

• 12.5 MeV

• 0.13 MeV

The energy equivalent in joules of the mass of

2.0 *10^-31 𝑘𝑔 _____.

• 2.0 *10^-31𝐽

• 6.0 *10^-23 𝐽

• 1.8 * 10^-14𝐽

• 8.2 * 10^-14 𝐽

As the binding energy of a nucleus increases, the

energy required to separate the nucleus into

nucleons _____.

• decreases

• increases

• stays the same

• becomes negative to positive

The atom ₇¹⁴𝑁

has a mass of 14.0031 𝑢.

The mass defect equals ______.

• 0.1123 u

• 0.2026 u

• 0.2341 u

• 0.0003 u

Nuclear binding energy is

• the energy required to overcome the electrostatic force between the protons in the nucleus

• energy equivalent of the mass of the protons in the nucleus

• the energy equivalent of the mass of all the nucleons in the nucleus

• the energy equivalent of the difference between the total mass of the individual nucleons and their mass when they are contained in the nucleus

The mass defect for an isotope is 0.00410 u. The value of its binding energy is

• 3.82 MeV

• 3.82 J

• 8.32 MeV

• 8.32 J