Exam 6: Atoms and Spectra

Describe two ways in which an atom can be excited.

in the following model of an atom, draw a transition from the second excited state to the first excited state. To draw this, draw the electron's motion as a line with an arrow to indicate direction and draw the photon as a wave with an arrow to indicated direction. Label the electron and photon. Label whether this is an absorption, emission, or continuous spectrum.

The radiation emitted from a star has a maximum intensity at a wavelength of 300 nm. What is the temperature of this star

An atom that has lost an electron is called an ion.

Which one of the hydrogen atoms below is EMITTING light at a wavelength in the Balmer series