Atomic theories
Parts of an atom
Isotopes
The mole
100
This Greek philosopher coined the term "atom"
Who is Democritus?
100
This has one atomic mass unit and is positively charged
What is a proton?
100
These are atoms of the same element with different masses
What are isotopes?
100
This is the measurement of an amount of a substance that contains as many particles as there are atoms
What is a mole (or mol)
200
This Greek philosopher believed that all matter was continuous
Who is Aristotle?
200
A man with the same name as this part of an atom could possibly get things with no charge
What is a neutron?
200
This is a general term for a specific isotope of an element
What is a nuclide?
200
Amedeo named this number of particles per mole in a pure substance after his last name
What is Avogadro's number?
300
This British scientist reasoned that all elements were made up of atoms
Who is John Dalton?
300
This negatively charged part of an atom is practically weightless
What is an electron?
300
This is one of three nuclides of hydrogen (3 possible answers)
What are Protium, Deuterium, or Tritium?
300
This is the mass of one mole of a pure substance
What is the molar mass?
400
This states that matter cannot be created nor destroyed
What is the law of conservation
400
This where you can find protons and neutrons in an atom
What is the nucleus?
400
This is a method that is written as [element]-[mass number]
What is hyphen notation?
400
This is a ratio equal to one that expresses the same quantity in two different ways
What is the conversion factor?
500
This British physicist discovered the electron
Who is JJ Thompson?
500
Atoms want to change the number of these so they become stable
What is a valence electron?
500
This method is written with two numbers before the atomic symbol
What is the nuclear symbol?
500
This is the number of moles of a solute dissolved in 1 liter of solution
What is molarity?
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