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15
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Why does ethyl butyrate smell pleasant like oranges?
It is made of carbon and hydrogen atoms.
It is found naturally in many fruits.
It has the same atomic structure as oxygen.
It is a processed compound made in a lab.
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15
×
Why are diamonds harder than cubic zirconia?
Cubic zirconia contains impurities.
Cubic zirconia is a liquid at high temperatures.
Diamonds are made of pure carbon atoms packed tightly.
Diamonds are heavier.
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15
×
What does the chemical formula C6H12O2 represent?
Ethyl butyrate
Water
Isovaleric acid
Carbon dioxide
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15
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How do chemists determine if a gemstone is a real diamond?
By looking for the presence of carbon atoms.
By examining its price.
By checking if it contains zirconium.
By testing if it can dissolve in water.
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lifesaver
Give 15 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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banana
Go to last place!
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15
×
What are diamonds made of?
Carbon atoms
Hydrogen and oxygen atoms
Nitrogen atoms
Zirconium and oxygen atoms
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15
×
How many different types of atoms are currently known?
50
118
100
150
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15
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What does John Daltonâs atomic theory propose?
Matter is made of tiny pieces called atoms.
Matter is made of light.
Matter is made of molecules.
Matter is made of energy.
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15
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What makes Isovaleric acid smell unpleasant?
It is colorless.
It is a solid at room temperature.
It is made of sulfur atoms.
It has a slightly different atomic structure than ethyl buty
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heart
Other team wins 25 points!
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gift
Win 25 points!
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gift
Win 15 points!
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baam
Lose 5 points!
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banana
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magnet
Take 15 points!
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shark
Other team loses 15 points!
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baam
Lose 20 points!
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15
×
What is cubic zirconia made of?
Molecules of gold
Carbon and hydrogen atoms
Pure carbon
Groups of zirconium and oxygen atoms
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15
×
What makes substances have different properties?
The number and type of atoms that repeat in their structure.
Their shape and size.
The temperature at which they are found.
Their atomic weight.
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seesaw
Swap points!
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gift
Win 20 points!
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rocket
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baam
Lose 10 points!
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15
×
Which substance is an example of an extended structure?
Ethyl butyrate
Diamond
Air
Water
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15
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What is the difference between molecules and extended structures?
Molecules contain more oxygen than extended structures.
Molecules are larger than extended structures.
Molecules are separate units; extended structures are interc
Molecules are always solid; extended structures are liquid.
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