Kennedy2971 Kennedy2971 11-03-2024 Mathematics contestada How many electrons must be removed from a piece of metal to give it a positive charge of 1.0 x 10-⁷C.a. 6.25 x 10" b. 62.5 x 106¹¹c. 2.5 x 10-¹¹ d. 625 x 10¹¹