A photon with a wavelength of 2.29 * 10^-7 meter strikes a mercury atom in the ground state.

Determine the energy, in electronvolts, of this photon.

In graphing enthalpy entropy and state changes which two variables are included? A. volume and temperature B. amount of heat added and temperture C. pressure and volume D. amount of heat added and pressure

What causes diffraction that results in a fuzzy glow around a full moon

How does earth move'

What are two extrusive rocks

How much work can be done by a 50w motor in 5 sec?

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.

In which one of the following locations can a person hear the echo of a sound? a. At least 33.2 meters behind the reflecting surface b. Less than 16.6 meters in front of the reflecting surface c. Less than 33.2 meters behind the reflecting surface d.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.