When the nuclear charge is increased from (hydrogen) to (singly–ionized helium) and…
CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
When the nuclear charge is increased from +e (hydrogen) to +2e (singly–ionized helium) and the electron occupies the lowest-energy orbit in each atom, how does the orbital speed of the electron change according to the Bohr model?
(a) It increases by a factor of 2.
(b) It remains the same.
(c) It increases by a factor of 2.
(d) It decreases by a factor of 21.