What is the electronic configuration of the element with atomic number 104?

Practice Questions

Q1
What is the electronic configuration of the element with atomic number 104?
  1. [Rn] 5f14 6d2
  2. [Rn] 5f14 6d4
  3. [Rn] 5f14 6d8
  4. [Rn] 5f14 7s2

Questions & Step-by-Step Solutions

What is the electronic configuration of the element with atomic number 104?
  • Step 1: Identify the element with atomic number 104. This element is called Rutherfordium (Rf).
  • Step 2: Understand that the electronic configuration shows how electrons are arranged in an atom.
  • Step 3: Start with the nearest noble gas before Rutherfordium, which is Radon (Rn).
  • Step 4: Write the electronic configuration for Radon, which is [Rn].
  • Step 5: Add the electrons in the 5f subshell. Rutherfordium has 14 electrons in the 5f subshell, so add 5f14.
  • Step 6: Next, add the electrons in the 6d subshell. Rutherfordium has 4 electrons in the 6d subshell, so add 6d4.
  • Step 7: Combine all parts to get the full electronic configuration: [Rn] 5f14 6d4.
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