Offee will make the coffee a darker color

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?