The electronegativities of F,~Cl,~Br and I are 4.0, 3.0, 2.8 and 2.5 respectively. Hydrogen halide with a high percentage of ionic character is a) HF b) HCl c) HBr d) HI ...
In the Bohr model of a hydrogen atom, the centripetal force is furnished by the coulomb attraction between the proton and the electron. If {{a}_{0}} is the radius of the ground state orbit, m is the mass, e is the charge on t ...
