What's in a measurement?
Chemical & Physical Properties
Atomic Structure
Isotope or Ion
History of the Atom
100
6.02 x 10^23
What is the mole (Avogadro's number)?
100
production of gas, precipitate formed, light or heat generated, or permanent color change
What are some of the signs of a chemical change?
100
The proton
What is the subatomic particle that has a positive charge, a relative mass of 1 amu, and is located in the nucleus?
100
Have different numbers of electrons than protons.
What is an ion?
100
Matter is made up of spheres that cannot be created or destroyed.
What is Dalton's Billiard Ball Model?
200
Thermometer
What is used to measure the temperature of a substance?
200
Change of water to ice.
What is an example of a phase change?
200
Electron Cloud
Where are electrons located in an atom?
200
Two atoms of the same element that have different numbers of neutrons.
What is an isotope?
200
This experiment discovered that there are negative particles within the atom.
What is the cathode ray tube experiment by Thomson?
300
To the tenth's place.
How many decimals can you estimate on a graduated cylinder with the smallest graduations being 1.0 mL?
300
A compound
What is a substance that has two or more different atoms chemically bonded?
300
2, 8, 18
How many electrons can be in the first, second, and third energy levels?
300
3 protons, 2 electrons
What is Li^+1?
300
This experiment discovered that there is a small positive core in an atom.
What is gold foil experiment by Rutherford?
400
1000
How many grams in a kilogram?
400
Heterogenous Mixture
What kind of mixture do you have if the sample is not consistent throughout? (Like a chocolate bar with almonds)
400
Protons + Neutrons
What is the formula for finding mass number?
400
8 protons, 8 neutrons, 8 electrons
What is oxygen-16?
400
This person discovered the neutron.
Who is Chadwick?
500
The bottom of the meniscus
Where should someone read the level of liquid in a graduated cylinder or flask?
500
Kinetic Molecular Theory
What is the theory that says all matter is made up of particles and that all particles move constantly?
500
Area of probability where the electrons could be.
What is the electron cloud?
500
6 protons, 7 neutrons, 6 electrons
What is carbon-13?
500
This person discovered the charge and mass of an electron.
Who is Millikan?
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