Refer to the periodic table and predict the empirical formula for each of the following oxides given the formula of aluminium oxide a )B? O?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

The same side of the moon always faces earth because the