3. What is the most accurate statement concerning ionization energy? O A. Metals tend to have lower ionization energies than nonmetals.
O B. As you move down a group on the periodic table, ionization energy tends to increase.
O C. As you move across a period from left to right on the periodic table, ionization energy tends to decrease.
O D. The noble gases tend to have the lowest ionization energies.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant

Air can be considered a mixture. which statement does not explain why?

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.