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History of the Atom
Light
Isotopes
Electron Configuration
Conversions
100
This scientist mentioned stated, "Atoms of the same element are identical in shape and mass, but differ from atoms of other elements"
Who is Dalton?
100
If frequency increases, then what happens to the wavelength
wavelength decreases
100
same element, same protons, different masses
What are isotopes
100
1s2 2s2 2p6 3s2 3p6 4s1
What is potassium
100
solve for grams given moles
What is x g/mol
200
During Rutherford's gold foil experiment, he concluded that the nucleus is tiny.
What is the reason particles were NOT deflected?
200
Light does this when electrons jump from a lower level to a higher level
What is emitted
200
20, protons, 18 electrons, 19 neutrons
What is Ca2+ with a mass of 39
200
[Ar] 3d10 4s2 4p6
What is Kr
200
solve for moles given grams
What is x mol/grams
300
The cathode ray was deflected away from the negative plate, which is negatively charged
What is Thomson's conclusion that the cathode ray particles were negatively charged?
300
to calculate frequency, given wavelength
What is speed of light over wavelength
300
best describes this calculation (20 x .25) + (22 x .75) =
What is formula for average atomic mass
300
Sr 2+ shorthand notation
What is [Ar] 3d10 4s2 4p6
300
solve for atoms given moles
What is x mol/atoms
400
Nearly all of the atom's mass is contained here
What is the nucleus?
400
This makes it possible for only certain energy level transitions
What is the wave-particle duality
400
If the amu of chlorine is 35.45 of Cl-35 and Cl-37, then this isotope has the greater abundance
What is Cl-35
400
Br-1 shorthand notation
What is [Ar] 3d10 4s2 4p6
400
solve for moles given atoms
What is x 1mol/6.022x 10^23 atoms
500
This scientist concluded that protons are located inside the nucleus and electrons are orbiting the nucleus in orbitals
Who is Bohr?
500
to calculate frequency with energy given
What is energy over "h"
500
"add up all abundances and divide each abundance by the total abundance" is done when
What is when percent abundance is not given in a mass spec problem
500
strontium outermost electrons are in this energy level AND sublevel
What is 5s
500
solve for grams given atoms
What is atomsx 1mol/Avogadros x g/1 mol