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Team 2
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Teams
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15
×
How many electrons fit into the first, second, and third electron shells?
2,8,18
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15
×
water (H2O) is a covalent compound or ionic compound
covalent
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×
heart
Other team wins 25 points!
Oops!
×
gift
Win 20 points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 10 points!
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15
×
What is the difference between a mixture and a chemical change?
In a chemical change, new substances are formed
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15
×
carbon dioxide (CO2) covalent or ionic
covalent
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15
×
What is the difference between cation and anion?
Loss of electrons = cation, gaining of electrons = anion
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15
×
Aluminium oxide (AlO) covalent or ionic
ionic
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15
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T/F covalent compounds form small molecules and have low melting points
T
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20
×
Why do atoms form bonds?
To gain a stable arrangement of electrons
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heart
Other team wins 10 points!
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seesaw
Swap points!
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rocket
Go to first place!
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banana
Go to last place!
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15
×
Why do non-metals tend to form covalent bonds?
They have similiar electronnegativities, neither is strong enough to attract electrons from the other
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thief
Give points!
5
10
15
20
25
×
gold
Win 50 points!
Okay!
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gift
Win 20 points!
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×
thief
Give points!
5
10
15
20
25
15
×
What is a covalent bond?
Two non metals share their electrons
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15
×
true or false Ionic compounds have high melting points
true
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25
×
which two non metals form large covalent lattice structures?
carbon (diamond) silicon (sand)
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15
×
T/F covalent compounds are between nonmetal and nonmetal
True
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