Help I have a brain fart .

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.