4 A coin is made up of Al and weighs 0 75 g It has a square

Last updated: 5/30/2023

4 A coin is made up of Al and weighs 0 75 g It has a square shape and its diagonal measures 17 mm It is electrically neutral and contains equal amount of positive and negative charges The magnitude c these charges is Atomic mass of Al 26 98 g a 3 47 x 104 C c 1 67 x 1020 C b 3 47 x 102 C d 1 67 x 1022 C