Chemistry someone me with oxidation and reduction

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

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

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa