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Atomic Theory
Atomic Structure
Atomic Number and Mass
Isotope Notation
Average Atomic Mass
100
Responsible for first proposing the idea of the atom.
Who is Democritus?
100
The relative weight of the electron in AMUs
What is 1/1840?
100
Atomic number's equivalence.
What is the number of protons?
100
The only variable of all isotopes & what remains constant, respectively.
What is the number of neutrons & protons remain constant?
100
The difference between atomic mass and average atomic mass.
What is atomic mass is just protons + neutrons in AMUs while average atomic mass accounts for the relative abundance all naturally occurring isotopes of the element?
200
The experiment that proved the atom is mostly empty space but with a dense nucleus.
What is The Gold Foil Experiment?
200
The equivalent mass of 1 AMU.
What is 1/12 the mass of Carbon-12?
200
Atomic mass's equivalence.
What is the number of protons and neutrons?
200
The isotope notation of Radium.
What is ^226 Ra v 88?
200
The average atomic mass of Tin.
What is 118.69 AMU?
300
The experiment that proved the existence of subatomic particles and the that the electron was negatively charged.
What is The Cathode Ray Tube?
300
The charge of electrons and protons and the masses of protons and neutrons.
What is -1, +1, 1 AMU?
300
The hyphen notation of the element Ag given the atomic number is 47 and the element contains 61 neutrons.
What is Silver-108?
300
The isotope notation of Cesium-137
What is ^137 Cs v 55?
300
The average atomic mass of U and its atomic mass.
What is 238.029 amus and 238 amus?
400
The person responsible for calculating the charge and mass of the electron in the oil drop experiment.
Who is Millikan?
400
The relative location of all subatomic particles.
What are protons and neutrons in the nucleus and electrons in a spherical cloud of probability around the nucleus in orbitals?
400
The number of neutrons in Uranium.
What is 146?
400
The isotope notions of deuterium and tritium (hydrogen isotopes).
What are ^2H v 1 & ^3H v 1?
400
The average atomic mass of Antimony given that Sb-121 is 120.903824 amus with a relative abundance of 57.30% and Sb-123 is 122.904222 amus with a relative abundance of 42.70%. (Exact calculator value)
What is 121.9998016 amus?
500
The order of atomic models starting with the oldest. (Daily Double)
Dalton, Thompson (Plum Pudding), Rutherford, Bohr, Quantum Mechanical
500
The actual mass of the electron in kilograms.
What is 9.11 X 10^-31 kg
500
The name of the element that has 76 protons and 114 neutrons.
What is Osmium?
500
An element X has three naturally occurring isotopes: X-36, X-38, and X-40. The atomic mass of X-36 is 35.968 amu and the relative abundance is 0.34 %. The atomic mass of X-38 is 37.963 amu and the relative abundance is .063 %.Given that the weighted atomic mass of the element X is 39.948 amu, calculate the mass contribution due to the isotope X-40 and identify the element. (Daily Double)
What is Argon and 39.962 AMU?
500
The average atomic mass of lead given the following values. Isotope Mass RA Lead Pb(204) 203.973037 1.40 Lead Pb(206) 205.974455 24.10 Lead Pb(207) 206.975885 22.10 Lead Pb(208) 207.976641 52.40 Daily Double (Exact calculator value)
What is 207.216896 amu?