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Questions and Answers
What is the significance of the term 'isotope'?
What is the significance of the term 'isotope'?
- Different isotopes of a single element occupy the same position on the periodic table (correct)
- Isotopes have the same atomic mass
- Isotopes have the same number of protons
- Isotopes have identical chemical and physical properties
What is the atomic number of an atom?
What is the atomic number of an atom?
- Number of neutrons
- Number of nucleons
- Number of electrons
- Number of protons (correct)
What is the defining difference between isotopes of the same element?
What is the defining difference between isotopes of the same element?
- Different atomic masses
- Different numbers of neutrons in their nuclei (correct)
- Different chemical properties
- Different numbers of protons in their nuclei
What is the mass number of an isotope?
What is the mass number of an isotope?
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Which of the following elements has three isotopes?
Which of the following elements has three isotopes?
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