Which compound has the the highest melting point? al2(co3)3c12h22o11c8h16h20

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Ab c or d ? i’m not sure what the answer is