People to Know
Vocab
Big Ideas
More People to Know
Sublevels + extras
100
Philosophical atomism
Who is Democritus?
100
Negatively charged ion
What is an anion?
100
Describes how electrons fill a sublevel
What is Hund's Rule?
100
Known for his work with cathode rays.
Who is Thomson?
100
Hold 10 electrons
What is a d sublevel?
200
Based atomic model on both experimental evidence and logic
Who is Dalton?
200
Identifies the s, p, d, and f sublevels
What is azimuthal quantum numbers?
200
Describes how electrons fill orbitals
What is Aufbau principle?
200
Discovered the magnetic resonance imaging better known as the MRI.
Who is Damadian?
200
Type of sublevel found in all principal energy levels.
What is a s sublevel?
300
Discovered the neutron.
Who is Chadwick?
300
Behave as either a wave or a particle
What is an electron?
300
States that no two electrons in an atom can have the same set of four quantum numbers
What is Pauli exclusion principle?
300
Developed the prism spectroscope.
Who is Kirchoff and Bunsen?
300
Maximum number of electrons that can be found in any atom's second principal energy level
What is 8?
400
Created "planetary" model of the atom
Who is Bohr?
400
# of protons + # of neutrons =_______
What is mass number?
400
Idea that any sample of water always contains 8g of oxygen for every 1g of hydrogen
What is Law of definite composition?
400
Discovered the X-ray.
Who is Roentgen?
400
Has the least mass- an electron, a proton, or a neutron.
What is an electron?
500
Developed the gold foil experiment
Who is Geiger?
500
Electrons in the outermost energy level that are important in bonding
What is valence electrons?
500
States that it is impossible to know both the energy and the exact position of an electron at the same time.
What is Heisenberg uncertainty principle?
500
Discovered the positive particles in the nucleus known as protons.
Who is Rutherford?
500
Shorthand way of showing valence electrons.
What is electron dot structure?
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