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History
Laws
Notation
Quantum
Misc.
100
Philosopher credited with coining the term "atom"
Who is Democritis.
100
Stated that as long as an electron moved in an allowed orbit, the electron did not radiate or absorb energy.
What is Bohr's postulates.
100
The atomic number of this element. 3 Li 6.94
What is 3?
100
Principal quantum number describes the ground state.
What is 1?
100
Creator of the plum pudding model
Who is Thompson
200
Philosophers supplanted the correct theory of matter with his own, stating that there are only four elements: earth, air, fire and water.
Who is Aristotle.
200
No two electrons in the same atom can be described by the same set of four quantum numbers.
What is Pauli's exclusion Principle.
200
What is the atomic mass of this element. 14 Si 28.09
What is 28.09.
200
Quantum number that describes orbital shape.
What is the second, or angular momentum quantum number.
200
The difference between isotopes.
What are the number of neutron?
300
Scientist using the gold-foil experiment, isolated the nucleus in 1911.
Who is Rutherford.
300
When filling orbitals, the lowest energy orbitals available are always filled first.
What is Alfbau's principle.
300
The number of protons in this element. 36 Kr 83.80
What is 36?
300
The name of the third quantum number.
What is the magnetic quantum number.
300
Change this to create a new element
What is the number of protons?
400
Scientist that developed what is known as the "planetary model" of the atom.
Who is Bohr.
400
When filling equal energy orbitals, the most stable configuration is with maximum number of unpaired electrons
What is Hund's rule.
400
The number of electrons in this element. 40 Xx 102.7
What is 40.
400
Describes the spin of the electron.
What is the 4th quantum number.
400
Separates atoms based on their atomic mass.
What is mass spectroscopy.
500
Scientist who used a cathode ray which lead to the discovery of the electron.
Who Crookes.
500
Electrons can only move from one orbit to another if the absorbed/emitted energy is equal to the difference in energy between the two orbits.
What is Bohr's postulates
500
The number of protons in the element. 125 Ro 250.0
What is 125?
500
Electron spends how much time inside an atomic orbital
What is 90%.
500
The series that is visible in a 'bright-line' spectrum
What is the Balmer series, drops to n=2