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The mass defect for a lithium-6 nucleus is -0.03434 g/mol. Calculate the atomic mass of lithium-6.
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21. Nuclear Chemistry
Nuclear Binding Energy
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following best describes the concept of nuclear binding energy?
A
The energy needed to break a chemical bond in a molecule
B
The energy required to remove an electron from an atom
C
The energy absorbed when a nucleus undergoes radioactive decay
D
The energy released when a nucleus is formed from protons and neutrons
Verified step by step guidance1
Understand that nuclear binding energy is related to the nucleus of an atom, not chemical bonds or electrons.
Recognize that nuclear binding energy is the energy associated with the strong nuclear force that holds protons and neutrons together in the nucleus.
Consider that when a nucleus is formed from individual protons and neutrons, energy is released due to the conversion of mass to energy, as described by Einstein's equation, E=mc².
Differentiate between nuclear processes and chemical processes: nuclear binding energy is a nuclear process, while breaking chemical bonds or removing electrons are chemical processes.
Conclude that the best description of nuclear binding energy is 'The energy released when a nucleus is formed from protons and neutrons.'
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