Question

using the vsepr theory, predict that the shape of the carbonate ion, co₃²⁻
trigonal pyramidal
square planar
regular tetrahedral
triangular planar
distorted tetrahedron

Explanation:

VSEPR theory predicts molecular shape based on electron domains around the central atom. For $\text{CO}_3^{2-}$, the central C atom has 3 bonding domains (with O atoms, including one double bond) and 0 lone pairs. 3 electron domains with no lone pairs result in a trigonal planar shape.

Answer:

triangular planar