Year: 2019
Topic: Atoms
Time :
1. The total energy of an electron inan atomin an orbit is −3 4 . eV.Its kinetic and potential energiesare, respectively:
(1). −3.4 eV, −6.8 eV
(2). 3.4 eV, −6.8 eV
(3). 3.4 eV, 3.4 eV
(4). −3.4 eV, −3.4 eV