WorksheetsAtomic Absorption and Emission
Total questions: 21
Worksheet time: 17mins
The ground state is the ______________ energy state of an atom.
highest
lowest
An emission spectrum is produced when an electron moves from one energy level
into the nucleus
to a higher energy level
to another position in the same sublevel
to a lower energy level
If an electron moves from n=4 to n=2 it ____
absorbs energy
releases energy
Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.
bright lines
a continuous rainbow
dark lines
white light
Which type of spectrum is this?
Emission Spectrum
Absorption Spectrum
Continuous Spectrum
The lowest energy configurations for electrons in an atom is called the
neutral state
home state
ground state
base state
What causes the emission of radiant energy that produces characteristic spectral lines?
gamma ray emission from the nucleus
neutron absorption by the nucleus
return of electrons to lower energy levels
movement of electrons to higher energy levels
Which element is not present in the mixture?
Element Z
Element X
Element D
Element A
During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when electrons in excited lithium atoms
are gained by the atoms
are lost by the atoms
move to higher energy states within the atoms
return to lower energy states within the atoms
The light produced by signs using neon gas results from electrons that are
being lost by the Ne(g) atoms
being gained by the Ne(g) atoms
moving from lower to higher principal energy level
moving from higher to lower principal energy level
When an electron on hydrogen jumps from n=2 to n=1, it emitts a specific wavelength of light. It can jump from n=1 to n=2 by absorbing ______.
A different wavelength
The same wavelength
Any wavelength
