Question

electron configuration assignment
what is the element is shown by the electron configuration below?
1s² 2s² 2p⁶ 3s² 3p⁶

Explanation:

Step1: Count the total number of electrons

The superscripts represent the number of electrons in each orbital. Calculate the sum: $2 + 2+6 + 2+6=18$.

Answer:

Argon (Ar)