Students in Mrs. Clark's science class are investigating a substance that has the following properties -shiny -bends easily -hard, not easily broken Based on these properties how would you classify the substance?
metal
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lifesaver
Give 20 points!
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fairy
Take points!
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25
gift
Win 20 points!
Okay!
lifesaver
Give 25 points!
Oops!
heart
Other team wins 25 points!
Oops!
shark
Other team loses 5 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
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25
15
Is this a physical or a chemical change? freezing point
physical change
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15
The weaker the intermolecular forces of a substance the _____________ the boiling point
Lower
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15
In which mixture can you see all of the parts?
heterogeneous
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15
Is this a physical or a chemical change? corrosion of a bicycle frame
chemical change
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15
Which element is the least reactive? Li, B, C, or Ne
Ne
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15
A salad is an example of a __________.
heterogeneous mixture
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15
Are the atoms more stable when they are bonded together or when they are apart?
Bonded Together
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15
What atom matches this electron configuration? [Xe] 6s^2 4f^14 5d^9
Gold
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15
When metals bond with non-metals they form what type of bonds
Ionic
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15
Is this a physical or a chemical property? a change of one substance to another