Explain the relationship of selected oxidation numbers to valence electrons for Groups 1, 2& 13-18. (Hint : 13-10=3) How can the atom's electron configuration be predicted on the basis of its location in the periodic table?

In apex! a liquid heated beyond a certain temperature becomes

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Write the overall equation for the reaction occurring in lithium battery?