only need help with these 2

Question 7 2 pts Four cubes of equal mass are made of zinc (density = 7.14 g/cm3), gold (19.3 g/cm3), platinum (21.5 g/cm), and nickel (8.9 g/cm?). Which cube has the longest edge? zinc gold platinum nickel All four cubes are the same size. Question 8 2 pts Bromine is an unusual element in that it exists in the liquid state under normal conditions. What is the mass of 35.0 mL of bromine (density =3.11 g/mL)? 0.0889 g 11.3 g 35.0 g 109 g