NEET UG Atomic Structure — practice questions
16 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Atomic Structure in the app →Rutherford's α-particle scattering experiment used a thin gold foil and showed that:In Rutherford's atomic model, electrons revolve around the nucleus due to:A key failure of Rutherford's classical model was that an accelerating electron should:In Bohr's model of the hydrogen atom, electrons can only occupy orbits in which the angular momentum is an intThe radius of the n-th Bohr orbit for hydrogen is proportional to:The Bohr radius a_0 is approximately:In Bohr's model, the energy of the n-th level of hydrogen is:The ground-state (n = 1) energy of the hydrogen atom is approximately:The energy of the first excited state (n = 2) of hydrogen is:The ionisation energy of hydrogen from its ground state is approximately:When a hydrogen atom makes a transition from n = 2 to n = 1, the energy of the emitted photon is approximatelyA photon emitted in a Bohr-model transition between levels n_i and n_f has frequency given by:Which statement is wrong about Bohr's theoryWhich of the following is incorrect?Find the formula of halide of a metal whose successive ionization energies are 10, 16, 25, 400, 500 eV mol$^{-The distance between 4th and 3rd Bohr orbits of $He^{+}$ is: