unit 3 review game. who theorized that everything was made of atoms and these atoms could be...
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![Page 1: Unit 3 Review Game. Who theorized that everything was made of atoms and these atoms could be combined or rearranged in chemical reactions. Dalton](https://reader036.vdocuments.mx/reader036/viewer/2022062805/5697bfad1a28abf838c9c08e/html5/thumbnails/1.jpg)
Unit 3 Review Game
![Page 2: Unit 3 Review Game. Who theorized that everything was made of atoms and these atoms could be combined or rearranged in chemical reactions. Dalton](https://reader036.vdocuments.mx/reader036/viewer/2022062805/5697bfad1a28abf838c9c08e/html5/thumbnails/2.jpg)
Who theorized that everything was made of atoms and these atoms could be combined or rearranged in chemical reactions.
Dalton
![Page 3: Unit 3 Review Game. Who theorized that everything was made of atoms and these atoms could be combined or rearranged in chemical reactions. Dalton](https://reader036.vdocuments.mx/reader036/viewer/2022062805/5697bfad1a28abf838c9c08e/html5/thumbnails/3.jpg)
Who discovered atoms contained a small dense positive region?
Rutherford
![Page 4: Unit 3 Review Game. Who theorized that everything was made of atoms and these atoms could be combined or rearranged in chemical reactions. Dalton](https://reader036.vdocuments.mx/reader036/viewer/2022062805/5697bfad1a28abf838c9c08e/html5/thumbnails/4.jpg)
Which subatomic particles have the same mass?
Protons and Neutrons
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In neutral atoms, which subatomic particles are equal?
Protons and electrons
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What makes up the nucleus of the atom?
Protons and neutrons
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What keeps the protons in the nucleus together?
The strong nuclear force
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What is the force that says opposites attract?
Electrostatic force
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What is the difference between isotopes?
# of neutrons
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Nitrogen- 16 has how many protons, neutrons, and electrons
Protons- 7, Neutrons-9, Electrons-7
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What does the atomic # tell us?
number of protons
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What makes a carbon atom a carbon atom?
The number of protons
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What do you need to calculated the weighted average?
Mass of isotopes and their % abundance
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What is the top # in the following symbol?
Mass #
C146
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What is the bottom number in the following symbol?
Atomic #
O208
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What is the mass defect?
mass of nucleus does not equal sum of parts
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What formula is used to explain the mass defect?
E=mc2
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What is an alpha particle?
He42
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What is a beta particle?
e0-1
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What stops each of the types of radioactive particles?
alpha- paper, beta- wood/metal foil, gamma- lead/concrete
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What is the half life?
Amount of time for half of the radioactive isotopes to decay
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What type of reaction creates a chain reaction?
Fission
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What type of reaction releases more energy?
Nuclear or fusion
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Know how to solve a half life problem and balance equations