If the pH of a solution is 6.96, then the solution is a

What is a metal replacement reaction

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

Answer explain why it is not possible to deduce a complete order of reactivity.