Question

what element has the configuration 1s²2s²2p⁶

Explanation:

Step1: Calculate the total number of electrons

The sum of electrons in each orbital: \(2 + 2+6=10\) electrons.

Step2: Relate electron number to atomic number

In a neutral atom, the number of electrons equals the atomic number. So the atomic number is \(10\).

Answer:

Neon (\(Ne\))