An atom that is excited
a. is also ionized.
b. is an isotope.
c. has had its electron moved to the lowest energy level.
d. can emit a photon when the electron moves to a lower energy level.
e. can emit a photon when the electron moves to a higher energy level.
d
You might also like to view...
Refer to the graph. For the entire motion, the average velocity is
A. positive. B. negative. C. zero (it is not moving). D. It is not possible to tell from the graph
A concave mirror is also known as a diverging mirror
Indicate whether the statement is true or false
During the summer months in the Southern Hemisphere, ________.
A. Earth is closer to the Sun B. the Northern Hemisphere experiences winter weather C. the Sun is more directly overhead during this time D. the Sun is in the sky for a longer period of time E. All of these choices are correct.
Two charges lie on the x axis, +3q at the origin, and ?2q at x = 5.0 m. The point on the x axis where the electric potential has a zero value (when the value at infinity is also zero) is
a. 1.0 m. b. 2.0 m. c. 2.5 m. d. 3.0 m. e. 4.0 m.