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A::A represents

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of magnesium?

A molecular model of SO42- is shown below. Based on the best Lewis electron-dot structure for SO42- and formal charge considerations, what is the predicted S—O bond order for each S—O bond?

What is the electronic geometry of XeF4?

Consider the following ground state electron configuration: 1s22s22p2. Which of the ions has this ground state electron configuration?

A molecular model of SO42- is shown below. Based on the best Lewis electron-dot structure for SO42- and formal charge considerations, what is the predicted S—O bond order for each S—O bond?

In the most acceptable electron-dot structure for carbonyl fluoride, COF2 the central atom is

Which best indicates the direction of the net dipole moment in acetone, (CH3)2C=O?

Electrostatic potential maps use color to portray the calculated electron distribution in a molecule. Atoms that are electron poor and carry a δ+ charge are shown in blue. Atoms that are electron rich and carry a δ- charge are shown in red. Atoms with little or no charge are shown in green. The electrostatic potential map of CH3Cl below should show

How many lone pairs are on the Se atom in SeO3 2- ?