Atomic And Nuclear Physics - SS3 Physics Past Questions and Answers - page 1
Which of the following statements is true about the nucleus of an atom?
It consists of electrons and protons.
It is positively charged and contains most of the mass of the atom.
It is negatively charged and contains most of the mass of the atoms
It is neutral and contains very little mass.
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Nuclear physics is the study of___
Nuclear power plants
Atomic nuclei
Nuclear weapons
Atoms
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Atomic physics focuses on the study of the properties and behaviour of___
Alloys
Atoms
Elements
Chemicals
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Atomic nuclei are composed of ___ and ___
Sticks and stones
Atoms and elements
Protons and neutrons
Chemicals and acids
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One of the most important discoveries of atomic and nuclear physics is the concept of
Microscopic organisms
Nuclear energy
Atomic energy
Wave-particle duality
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In what fields have nuclear physics been applied?
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Which subatomic particle is responsible for the chemical properties of an element?
Proton
Neutron
Electron
Nucleus
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Which of the following statements about isotopes is true?
Isotopes have different numbers of electrons.
Isotopes have different numbers of protons.
Isotopes have different numbers of neutrons
Isotopes have different atomic numbers.
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What is the atomic number of an element?
The number of electrons in the nucleus of an atom.
The number of protons in the nucleus of an atom.
The number of neutrons in the nucleus of an atom.
The sum of the number of protons and neutrons in the nucleus of an atom.
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Which of the following elements is a halogen?
Sodium
Chlorine
Calcium
Iron
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