alleryStart learning →The principal quantum number n mainly determines an orbital's
Aorbital shape
Bsize and energy
Celectron spin
Dorientation
Answer & Solution
Correct answer: B. size and energy
n sets the shell, its size and, for hydrogen like species, its energy.
Keep practising Atomic Structure
Browse all Atomic Structure questions for AP EAMCET, or explore more Chemistry topics.
Related questions
By the Aufbau principle, which orbital set fills first?What happens to the average electron-nucleus distance as n increases?Which model eventually replaced the Bohr model in the 1920s?What key success is credited to the Bohr model of hydrogen?How were electrons arranged in Thomson's model?What did Rutherford's scattering model propose?Why was a classical planetary atom judged unstable?Which model did Geiger and Marsden's 1908 results contradict?