| Atomic Theory | Isotopes | Average Atomic Mass | Mole Conversions | Misc |
|---|---|---|---|---|
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Who is Thomson?
This scientist is responsible for discovering the electron
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What is they have the same number of protons but different numbers of neutrons and mass numbers?
How are isotopes similar and different?
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What is amu (atomic mass units)?
These are the units used to express atomic mass of a single atom or molecule
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What is molar mass?
This is what you use when converting between grams and moles
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What is a proton?
Which subatomic particle has a positive charge?
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Who is Rutherford?
This scientist is responsible for discovering the atomic nucleus
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What is the atomic number?
This number identifies an element
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What is the periodic table?
Where can you find the average atomic mass of an element?
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What is Avogadro's number?
This is what you use when converting between moles and atoms
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What are protons and electrons?
In order for an atom to be neutral, which 2 subatomic particles must be equal in number?
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Who is Dalton?
This scientist stated that all matter is composed of indivisible particles called atoms
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What is 28?
How many protons are in Ni-60?
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What is 121.760 amu?
Antimony has 2 isotopes. Calculate the average atomic mass.
Sb-121 120.904 57.30% Sb-123 122.904 42.70% |
What is 0.609 moles?
How many moles of Na are in 14.0 grams?
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What are protons and neutrons?
What subatomic particles are found in the nucleus?
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What is the Law of Definite Proportions?
This law states that a chemical compound contains the same elements in exactly the same proportions by mass regardless of the size or source of the compound
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What is 62?
How many neutrons are in Cd-110?
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What is 10.811 amu?
Boron has 2 isotopes. Calculate the average atomic mass.
B-10 10.0129 amu 19.80% B-11 11.009 amu 80.20% |
What is 72.9 moles?
How many moles are in 4.39 x 10^25 atoms Cu?
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What is the atomic nucleus was discovered?
What was determined from the gold foil experiment?
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What is the Law of Multiple Proportions?
This law states that if 2 or more different compounds are composed of the same 2 elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers
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What is Br-81?
What is the hyphen notation for the isotope with 35 protons and 46 neutrons?
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What is nitrogen?
An element has 2 isotopes:
14.003 amu, 99.63% 15.000 amu, 0.37% What is the element? |
What is 1.70 x 10^23 atoms?
How many atoms of Pb are in 58.6 grams Pb?
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What are negatively charged electrons?
Cathode rays are composed of what kind of particles?
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