Which of the following elements has the electronic configuration [Xe] 6s2?

Practice Questions

Q1
Which of the following elements has the electronic configuration [Xe] 6s2?
  1. Radon
  2. Barium
  3. Lead
  4. Polonium

Questions & Step-by-Step Solutions

Which of the following elements has the electronic configuration [Xe] 6s2?
Correct Answer: Barium
  • Step 1: Understand that the notation [Xe] represents the electron configuration of the element Xenon, which has 54 electrons.
  • Step 2: The '6s2' part means that there are 2 electrons in the 6s subshell.
  • Step 3: Add the 54 electrons from Xenon to the 2 electrons in the 6s subshell. This gives a total of 56 electrons.
  • Step 4: Identify the element with 56 electrons on the periodic table. This element is Barium (Ba).
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