The full form of SP is Superintendent of Police, in India.

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Sp Kingstown's new apartments and houses are just like real estate projects; the opulence of real estate brands projects a stylish development that connects high-class new brands, such as those in Pune, on product housing

sp hybrid orbitals are literally a hybrid of the S and P orbitals. in P block atoms that have 4 distinct bonds or non bonding pairs of electrons the valence electrons organize into 4 sp hybrid orbitals that point out from the nucleus like the points of a tetrahedron.

orbitals are 'hybridized' when some energy has been distributed to them so they are no longer distinct as atomic orbitals, distinct as separate 's' and 'p' orbitals but are 2 equal orbitals called 'sp' hybridized.