Question

1. how many s subshells and how many p subshells are in one atom of argon (ar)?

Explanation:

Step1: Write the electron configuration of argon

The atomic number of argon is \(18\). The electron configuration of argon is \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}\).

Step2: Count the number of s sub - shells

In the electron configuration \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}\), the s sub - shells are \(1s\), \(2s\), \(3s\). So the number of s sub - shells is \(3\).

Step3: Count the number of p sub - shells

In the electron configuration \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}\), the p sub - shells are \(2p\), \(3p\). So the number of p sub - shells is \(2\).

Answer:

There are \(3\) s sub - shells and \(2\) p sub - shells in one atom of argon.