Write the electronic configuration of the following elements: a. Sulphur (Z = 16) b. Krypton (Z = 36)

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Q. Write the electronic configuration of the following elements: a. Sulphur (Z = 16) b. Krypton (Z = 36)

Maharashtra MsbshseMaharashtra HSC (MSBSHSE) Board 2017Subjective· 2mImportance★★★★★

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Fill orbitals by the Aufbau order up to the given atomic number for each element.

a. Sulphur, Z = 16: filling orbitals in order of increasing energy ( $1s < 2s < 2p < 3s < 3p$ ) with 16 electrons total:

$1s^2\,2s^2\,2p^6\,3s^2\,3p^4$ — total electrons $= 2+2+6+2+4 = 16$ . ✓ (Sulphur is in Group 16, Period 3, with 6 valence electrons: $3s^2 3p^4$ .)

b. Krypton, Z = 36: continuing the Aufbau order ( $1s,2s,2p,3s,3p,4s,3d,4p$ ) for 36 electrons:

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Q.Write the electronic configuration of the following elements: a. Sulphur (Z = 16) b. Krypton (Z = 36)