Which hybrid orbitals are used by phosphorus atoms in the following species? Select the single best answer for each part. Part 1 of 3
PH_(3)
sp
sp^(3)d^(2)
sp^(3)d
sp^(2)
sp^(3)
Part 2 of 3
H_(2)P-PH_(2)
sp^(3)
sp^(3)d^(2)
sp^(2)
sp^(3)d
sp
Part 3 of 3
PO_(3)^(-)
sp
sp^(2)
sp^(3)d^(2)
sp^(3)d
sp^(3)