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15
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The element that makes up most of Earth's crust.
Oxygen
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Chemical name for Br
Bromine
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Negatively charged subatomic particle
Electron
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Bohr model of Oxygen
P=8 E=8 N=8
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15
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Define compound
Substance composed of 2 or more different atoms that are bonded
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Mud is a ______ mixture.
Homogeneous mixture
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Chemical symbol for Iron
Fe
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Element, compound or mixture? Helium
Element
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thief
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5
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25
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star
Double points!
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fairy
Take points!
5
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25
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thief
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The number of these subatomic particles can change however it will change the mass of the atom.
Neutrons
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True or False? Both letters of a chemical symbol are capitalized.
False
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eraser
Reset score!
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gold
Win 50 points!
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fairy
Take points!
5
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banana
Go to last place!
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15
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You cannot see the different parts that make up this type of mixture.
Homogeneous
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The element that makes up most of Earth's atmosphere.
Nitrogen
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Name the 2 subatomic particles that contribute to the mass of an atom.
Protons and Neutrons
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baam
Lose 20 points!
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seesaw
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gift
Win 20 points!
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thief
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5
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25
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