18 Questions
What is the mass number (A) defined as in a nucleus?
Total number of protons and neutrons
What is the neutron number (n) in a nucleus?
Difference between mass number and atomic weight
What are nuclides with the same A, but different Z called?
Isobars
Which term is used for nuclides with the same A and Z, but different nuclear energies?
Isomers
How are nuclides with the same N, but different A and Z classified?
Isotones
What term is given to different combinations of protons and neutrons creating distinct nuclear families?
Nuclides
What is the composition of an atomic nucleus?
Protons and neutrons
Which statement is true about the diameter of an atomic nucleus compared to an atom?
The nucleus is smaller
What is the ground state energy for a hydrogen atom?
-13.6 eV
Which of the following has mass and occupies space?
Matter
What is the ionization potential for removing an electron from its ground state?
-13.6 eV
What is the mass ratio of nucleons to electrons?
2000 times greater
What is the nuclear binding energy?
The energy required to disassemble a nucleus into protons and neutrons
What is the mass defect or deficiency?
The difference between the mass of the atom and the sum of the masses of individual components
What is the binding energy per nucleon for 12C?
7.685 MeV
What is the most stable arrangement of nucleons within the nucleus called?
Ground state
What forces exist between protons within the nucleus?
Electrical forces of repulsion
What happens to excited states in a nucleus?
They transform into stable ground states
Test your knowledge on nuclear composition, mass number, neutron number, and nuclides with this quiz. Understand the relationship between protons, neutrons, and atomic weight in an atom's nucleus.
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