Question

Energy of an electron in the stationary states of hydrogen atom is $\frac{-2.18\times 10^{18}}{n^2}J$. The negative sign means

• A. clcctron nccds morc encrgy
• B. electron can participate in conduction process
• C. electron is bound with the nucleus and energy is required to remove it
• D. electron is at infinite distance from nucleus

Answer 1

Answer: (C)

Correct answer is (c) electron is bound with the nucleus and energy is required to remove it