객관식For a molecule with the formula AB3 and no lone pairs on the central atom, what are the electron geometry and molecular geometry of the molecule?139views
객관식The Lewis structure for PO4^{3-} is shown. What is the electron-pair geometry around the central phosphorus atom?186views
객관식What is the electron geometry for a molecule with three regions of high electron density (rheds) surrounding the central atom?98views