Question:

The element having \([Ar]3d^{10}4s^1\) electronic configuration is

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Copper (Cu) has an electron configuration of \( [Ar] 3d^{10} 4s^1 \), which is an exception to the general electron configuration rule due to stability gained by a filled 3d subshell.
Updated On: Feb 28, 2025
  • Cu
  • Zn
  • Cr
  • Mn
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The Correct Option is A

Solution and Explanation

Step 1:The electron configuration \( [Ar] 3d^{10} 4s^1 \) corresponds to Copper (Cu), which has an atomic number of 29. 

Step 2: Thus, the correct answer is option (1). 

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