Mass defect and binding energy

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 ______.

• 0.1089 u

• 0.2026 u

• 0.2341 u

• 0.0003 u

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

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 atom ₇¹⁴𝑁 has a mass of 14.0031 𝑢.

The mass defect equals ______.

m_p = 1.0073u, m_n = 1.0087 u

• 0.1089 u

• 0.2026 u

• 0.2341 u

• 0.0031 u

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

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

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

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