Modern atomic model

Chemistry Level 1

According to the modern atomic model, what is the electron configuration of \(_{20}\ce{Ca}\) at the ground state?

(A): \(1s^2 2s^2 2p^4 3s^2 3p^4 3d^6\)

(B): \(1s^2 2s^2 2p^6 3s^2 3p^8\)

(C): \(1s^2 2s^2 2p^6 3s^2 3p^8\)

(D): \(1s^2 2s^2 2p^6 3s^2 3p^6 4s^2\)

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