There are no Mn—Mn nor O—O bonds in the manganese(VII) oxide (Mn₂O₇). Based on its Lewis structure, how many valence electrons does each Mn atom have? What is the geometry of each Mn atom?

Determine the shape of the following molecules based on the given descriptions

(i) Two lone pairs and four atoms are connected to the central atom. 

(ii) Three lone pairs and two atoms are connected to the central atom. 

(iii) One lone pair and five atoms are connected to the central atom. 

Identify which of the following elements can be used to create a molecule with the formula AX₃ with the shape shown below: H, Be, B, C, N, O.

Select the correct image that shows the Lewis structure for the following compound and give the geometry of each internal atom
ICl₄⁺

Which of the following statements based on the valence bond theory is not true about C₄H₇ with two consecutive double bonds?

Select the correct image that shows the Lewis structure for the following compound and gives the geometry of each internal atom

H₃CCOOCH₂CH₃ (one oxygen atom attached to 2nd C atom, second oxygen atom attached to 2nd and 3rd C atom)

The shape of CO₃²⁻ is trigonal planar, but the shape of SO₃²⁻ is trigonal pyramidal. Explain.