Answer is: 1s22s22p3 is the correct orbital configuration for nitrogen atom.
Electron configuration for carbon: ₆C 1s² 2s² 2p².
Electron configuration for nitrogen: ₇N 1s² 2s² 2p³.
Electron configuration for neon: ₁₀Ne 1s² 2s² 2p⁶.
Electron configuration for phosphorus: ₁₅ 1s² 2s² 2p⁶ 3s² 3p³.
