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15
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Balance the following chemical equation: ___CH4 + ____O2 --> ___ CO2 + ___ H2O
1, 2, 1, 2
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10
×
A row on the periodic table is called a ________. A column on the periodic table is called a ______________.
Period
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15
×
Name 3 pieces of evidence that a chemical change has occurred
Heat/light, bubbles, colour change, odour change, precipitate
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10
×
How many atoms in Ca3(PO4)3
18
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10
×
Argon is found in group _____
18
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trap
No points!
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shark
Other team loses 15 points!
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fairy
Take points!
5
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15
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25
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baam
Lose 25 points!
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15
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Name the following ionic compound: LiNO3
Lithium nitrate
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15
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Name the following molecular compound: N2O4
Dinitrogen tetroxide
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10
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How many neutrons does sodium have?
12
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10
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How many valence electrons does oxygen have?
6
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10
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When nitrogen forms an ion what charge does it become?
-3
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15
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Name the following molecule: NH3
Nitrogen trihydride
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thief
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5
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20
25
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
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baam
Lose 25 points!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
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15
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When molecular compounds have four atoms of a particular element what prefix is used?
Tetra
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trap
No points!
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shark
Other team loses 25 points!
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gift
Win 25 points!
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baam
Lose 10 points!
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