What element is oxidized and what is the oxidizing agent in the reaction below?                Fe2O3(s) + 3CO(g)2Fe(s) + 3CO2(g)  Data sheet and Periodic Table

What is the molecular geometry around the N atom in the molecule depicted?           Data sheet and Periodic Table

How many sigma (σ) and pi (π) bonds are in the molecule shown?           Data sheet and Periodic Table

What is the hybridization of the indicated nitrogen atoms?                         Data sheet and Periodic Table

As shown in the figure, a reaction vessel initially contains hydrogen and oxygen.  Which figure best shows the reaction once complete?                2H2(g) + O2(g)2H2O(g)                        Data sheet and Periodic Table

Using formal charges, which Lewis dot structure is correct for the carbonate ion, CO32–?   Data sheet and Periodic Table

How many sigma (σ) and pi (π) bonds are in the molecule shown?          Data sheet and Periodic Table

Which relationship could be shown in the graph?          Data sheet and Periodic Table

Which atom(s) in the acetic acid (CH3COOH, shown) is/are sp3 hybridized as identified with the bolded/larger atom(s)?             Data sheet and Periodic Table

Between HI and HF, which has the higher boiling point and why?  Data sheet and Periodic Table