What is the oxidation half-reaction for 2Mg + O2 -> 2MgO a. Mg2+ +2e- -> Mg
B. Mg-> Mg 2+ +2e-
c. O2 + 4e- -> 20 2-
d. 20 2- -> O2 + 4E-

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

What is the equilibrium constant of aa+bb=cc+dd

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?