mass defect and Nuclear decay

Which is a definition of mass defect?

• The mass of an atom minus the mass of the electrons

• The difference between the mass of a nucleus and the mass of the atom

• The difference between the mass of a nucleus and the mass of the neutrons in the nucleus

• The difference between the mass of the nucleus and the mass of nucleons when separated

• The difference between the mass of an nucleus and the mass of the protons in the nucleus

Which equation links mass and energy?

• E=mc

• E=m²c

• E=mc²

• E=m²c²

A nucleus of carbon-13 contains

• 6 protons and 6 neutrons

• 6 protons and 7 neutrons

• 7 protons and 6 neutrons

• 7 protons and 7 neutrons

The mass defect of a nucleus of carbon-13 is 0.100956 u. What is the mass defect per nucleon?

• 0.016826 u

• 0.014422 u

• 1.312428 u

• 0.007766 u

The mass defect per nucleon for a hydrogen-3 nucleus is 0.003035 u. Convert this to kg.

• 5.038 x 10^-30 kg

• 4.856 x 10^-22 kg

• 2.732 x 10¹⁴ kg

• 2.765 x 10^-33 kg

The mass defect per nucleon for a hydrogen-3 nucleus is 5.038 x 10^-30 kg. What is the binding energy per nucleon in joules?

• 1.511 x 10^-21 J

• 4.534 x 10^-13 J

• 1.360 x 10^-4 J

• 3.149 x 10^-11 J

Identify the correct sum of 53+66

• 109

• 113

• 99

• 119

In Alpha decay what particle is emitted?

• Helium (He)

• Electron (e^-)

• Energy (Photon)

In Beta decay what particle is emitted?

• Helium (He)

• Electron (e^-)

• Energy (Photon)

In Gamma decay what particle is emitted?

• Helium (He)

• Electron (e^-)

• Energy (Photon)