A Hydrogen Atom Is in Its First Excited State (N

Multiple Choice

A hydrogen atom is in its first excited state (n = 2) . The linear momentum of the electron is (in kg ⋅ m/s)

A) 3 × 10−²⁴
B) 2 × 10−²⁴
C) 1 × 10−²⁴
D) 4 × 10−²⁴
E) 3 × 10−¹⁵