Which electron box diagram below represents an oxygen atom that has absorbed a photon of light?

Which of the following transitions is expected to result from absorption of the longest wavelength of EM radiation?

Which of the following elements has a ground state electron configuration of   4s1 3d5 ?

When NH3 is added to water, the following process occurs: NH3 (aq) + H2O (l)

When HCN is added to water, the following reaction occurs: HCN (aq) + H2O (l)

What process accompanies the transition of a hydrogen electron from n=5 to n=3?

Molecular level views of three aqueous solutions (AX, AY, and AZ) are shown below: Which of these solutions could be a strong acid?

Molecular level views of three aqueous solutions (A, B, and C) are shown below (H2O molecules have been omitted for clarity, and because I’m lazy…): Which of these solutions could represent a weak acid?

If a particular process occurs at constant pressure and there is no change in enthalpy (∆H=0), what can you conclude about ∆E, q, and w?

Which of the following metals will be oxidized by ions of aluminum in solution?