The charge on an electron is _______ coulombs.
An electron is a negatively charged subatomic particle. It has a charge of −1.602×10−19 coulombs.
The electric charge on one electron is 1.602 * 10-¹9 C. How much charge is present on 0.1 mole of Cu²+ ions?
The de-brogile wavelength of an electron in the ground state of hydrogen atom is:
[K.E.=13.6eV;1eV=1.602×10−19J]