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15
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Elements in the same ________ are more chemically similar.
group
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15
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A students combines two liquids and notices a solid is being formed. What is another name for that solid?
precipitate
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15
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How do I know if an equation is balanced?
number of atoms on each side are equal.
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15
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What is the right part of a chemical equation called... 2H2 + O2 --> 2H2O
products
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heart
Other team wins 25 points!
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shark
Other team loses 25 points!
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fairy
Take points!
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20
25
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thief
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5
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25
15
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What is the atomic mass of this atom?
9 (protons plus neutrons)
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15
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These rows are called what?
periods
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15
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Is the following equation balanced? 4Fe + 3O2 --> 2Fe2O3
yes
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15
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How many electrons does phosphorus have?
15
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seesaw
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gold
Win 50 points!
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rocket
Go to first place!
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lifesaver
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15
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What group on the periodic table is the most reactive?
Alkali Metals
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15
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If reaction starts with 20g of reactants how much will the products weigh?
20g
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15
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The smallest piece of matter is?
atoms
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seesaw
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seesaw
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fairy
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25
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baam
Lose 20 points!
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15
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What does the Law of Conservation of Mass state?
Matter can not be created or destroyed it can only change forms
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15
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What is the atomic number of this Carbon atom?
6
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