Sudarshan Asked a Question
April 10, 2020 2:24 pmpts 30 pts
The ground state electron configuration for phosphorous which has 15 electrons, is (A) 1 2 2p'3s'3p C) 1s 2s 2p°3s 3d3 (B) 1s 2s 2p° 3s 3p D) 1s 2s*2p°3p 3d3
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  • Somnath thankyou
    In order to write the Phosphorus electron configuration we first need to know the number of electrons for the P atom (there are 15 electrons). When we write the configuration we'll...
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  • Abhishek singh thankyou
    3d orbital will come into role after potassium (atomic number=20) hence any option containing 3d orbital will be removed. now among remaining two option , always remember, half fil...
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  • Dhairya sharma Best Answer
    ans b is correct because in this configuration s is completely filled which is stable and p is half filled which also show stability.Its a rule that half or full filled orbits are ...
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