What is the primary factor that determines the atomic radius of an element?

Practice Questions

Q1
What is the primary factor that determines the atomic radius of an element?
  1. Number of protons
  2. Number of neutrons
  3. Number of electron shells
  4. Number of valence electrons

Questions & Step-by-Step Solutions

What is the primary factor that determines the atomic radius of an element?
  • Step 1: Understand that an atom has a nucleus at its center, which contains protons and neutrons.
  • Step 2: Know that electrons orbit around the nucleus in different layers called shells.
  • Step 3: Realize that each shell is further away from the nucleus than the previous one.
  • Step 4: Recognize that as you add more electron shells, the outermost electrons are farther from the nucleus.
  • Step 5: Conclude that the more electron shells an element has, the larger its atomic radius will be.
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