Question

what is the correct representation for the subshell with n = 2 and l = 1? 2p 1p 1d 2d

Explanation:

In atomic - orbital notation, the principal quantum number \(n\) represents the energy level and the angular - momentum quantum number \(l\) represents the sub - shell. When \(n = 2\), the possible values of \(l\) are \(0\) and \(1\). When \(l=0\), the sub - shell is \(s\); when \(l = 1\), the sub - shell is \(p\). The notation for a sub - shell is \(n\) followed by the letter corresponding to \(l\). So for \(n = 2\) and \(l=1\), the sub - shell is \(2p\).

Answer:

2p