Problem: In which of the following atoms is the 3s orbital closest to the nucleus?A) BrB) ClC) AtD) IE) The 3s orbitals are the same distance from the nucleus in all of these atoms.

FREE Expert Solution

We are being asked which of the following atoms is the 2s orbital closest to the nucleus. 

  • The 3s orbital distance from the radius will differ depending on the number of protons in the nucleus.
  • So we know that option e is already false. 
  • Effectively, the smaller the atomic radius, the closer the 3s orbital will be.
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Problem Details

In which of the following atoms is the 3s orbital closest to the nucleus?

A) Br

B) Cl

C) At

D) I

E) The 3s orbitals are the same distance from the nucleus in all of these atoms.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends: Atomic Radius concept. You can view video lessons to learn Periodic Trends: Atomic Radius. Or if you need more Periodic Trends: Atomic Radius practice, you can also practice Periodic Trends: Atomic Radius practice problems.

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