MDCAT Chemistry MCQ #919

How does a 2p orbital differ from a 3p orbital?

MDCAT Chemistry MCQ #919

  1. Question 1

    Q1. How does a 2p orbital differ from a 3p orbital?

    • A) 2p has higher energy
    • B) 3p is smaller in size
    • C) 2p can hold more electrons
    • D) 3p has higher effective nuclear charge

    Answer: 3p has higher effective nuclear charge

    Explanation: Higher principal quantum number (n=3) increases orbital size but not electron capacity. Effective nuclear charge increases down a group.