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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

Which statement best describes the bond length(s) in the nitrite ion (shown)?  The bond length of N–O is 136 pm and N=O is 122 pm.          Data sheet and Periodic Table

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

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

For the orbital diagram shown, what is a possible set of quantum numbers for the next lowest energy electron added?        Data sheet and Periodic Table

What volume (in L) will 50.0 g of nitrogen gas occupy at 2.0 atm of pressure and at 65 oC? Data sheet and Periodic Table

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

Which pair of particles has the same number of electrons?   Data sheet and Periodic Table

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

The gases, F2, H2, N2, and O2 at STP are represented in the plot.  Which gas corresponds to curve III?                   Data sheet and Periodic Table