What is the percent composition by mass of lithium in ?

How many moles of al3+ ions are in 1.25 moles of al2o3

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Which of the following are correct values for the ideal gas laws constant r