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In the context of atomic structure, what does the term 'isotope' refer to? (2021

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Question: In the context of atomic structure, what does the term \'isotope\' refer to? (2021)

Options:

  1. Atoms with the same number of protons but different neutrons
  2. Atoms with different numbers of protons
  3. Atoms with the same mass number
  4. Atoms that are chemically identical

Correct Answer: Atoms with the same number of protons but different neutrons

Exam Year: 2021

Solution: 

Isotopes are defined as atoms that have the same number of protons but different numbers of neutrons.

In the context of atomic structure, what does the term 'isotope' refer to? (2021

Practice Questions

Q1
In the context of atomic structure, what does the term 'isotope' refer to? (2021)
  1. Atoms with the same number of protons but different neutrons
  2. Atoms with different numbers of protons
  3. Atoms with the same mass number
  4. Atoms that are chemically identical

Questions & Step-by-Step Solutions

In the context of atomic structure, what does the term 'isotope' refer to? (2021)
  • Step 1: Understand that atoms are made up of protons, neutrons, and electrons.
  • Step 2: Know that the number of protons in an atom determines what element it is.
  • Step 3: Realize that isotopes are different versions of the same element.
  • Step 4: Identify that isotopes have the same number of protons but different numbers of neutrons.
  • Step 5: Conclude that this difference in neutrons affects the mass of the atom but not its chemical properties.
  • Isotopes – Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.
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