Askiitians Expert Sahil Arora - IITD
Last Activity: 14 Years ago
Dear manav
total no of orbitals in 2nd period is 4
i.e. one 2s and three 2p orbitals
Now.,if there are three spin quantum no. then there will be three e- in each orbital
Hence total No. of electrons is 12.
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Sahil Arora