The SI unit of frequency.
What is hertz?
C
Electrons enter orbitals at lowest energy first.
What is Aufbau Principle?
Einstein proposed that light could be described as quanta of energy that behaved as if they were particles called ________?
Photons.
Lines of colored light obtained by passing the light emitted by the element through a prism.
What is atomic emission spectrum?
1p2
Ar
What is argon?
This modern description of the electrons in atoms came from the mathematic solutions to the Schrödinger equation.
What is the quantum mechanical model?
What is the speed of light or C?
Range of color seen when light passes through a prism.
What is a spectrum?
1s2 2s2 2p5
What is fluorine?
K
What is potassium?
All orbitals contain one electron which spins parallel.
What is Hund's Rule?
This must happen for two electrons to occupy the same orbital.
What is opposite spin?
Amount of energy required to move an electron from one energy level to the next higher one.
What is a quantum of energy?
1s2 2s2 2p6 3s2 3p6 4s2
What is calcium?
Ag
What is silver?
In his model, negatively charged electrons surround a dense, positively charged nucleus.
Who is Rutherford?
Maximum number of electrons that can occupy an energy level.
What is 2n2?
Distance between crests of waves.
What is wavelength?
[Ar]4s2 3d6
What is iron (Fe)?
Es
What is Einstienium?
He proposed that the electron is found only in specific circular paths, or orbits, around the nucleus.
Who is Bohr?
How many orbitals does the fourth principal energy level have?
Sixteen