A Hydrogen Atom Is in Its First Excited State (N

question 12

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