Electron Transition Diagram
Bohr Models of Atoms
Electron Transitions
Emission Spectra
Ions
100
Which electrons are absorbing energy? 
Electron B and E
100
What is wrong with this Bohr model?
only 1 electron on first ring
100
For an electron to change from ground state to an excited stated it must...
Absorb energy
100
What subatomic particle is responsible for the spectral lines seen in emission spectra diagrams?
Electrons
100
True/False: A cation is a positively charged ion.
True
200
Which electrons start on n=5? 
Electron A and C
200
Who's Bohr Model is this?
chlorine atom
200
When an atom has all of its electrons in the lowest energy orbitals available, the atom is...
In ground state.
200
Why are emission spectra called the "fingerprints" of elements?
They are all unique
200
How does an atom become a anion?
It gains electrons!
300
Which elecrton is emitting the greatest amount of energy? 
Electron F
300
Who's Bohr Model is this?
Phosphorous atom
300
True or False: The energy absorbed when an electron moves up orbitals is equal to the energy emitted when the electron jumps down orbitals.
True
300
What elements are in the star spectrum?
Hydrogen (H) and Helium (He)
300
Sodium (Na) forms an ion with a +1 charge. What happened to its electrons?
It lost one electron to become a cation.
400
Which electron has the greatest energy absorption?
Electron E
400
Who's Bohr Model is this?
Magnesium atom
400
An atom that has gained energy beyond normal is said to be ...
Excited state
400
What elements are in the mixture?
Gas A and D
400
What is this element with its correct ion symbol?
N3-
500
Which electron is likely to emit RED light? 
Electron D
500
Who's Bohr model is this and how many protons and neutrons does it have?
Sodium atom, p = 11, n=12
500
Compare the wavelengths ( λ ) being emittedfrom atom 1 (n=4 to n=2) and atom 2 (n=5 to n=2).
Shorter wavelength for atom 2.
Longer wavelegth for atom 1.
500
What is the lowest energy emission in the unknown spectra? 
660nm (Red)
500
What element atom is this? Include number of protons and neutrons in answer.
Calcium ion. 20 protons & 20 neutrons.