Which of the following can be the most compressed? a) gas b) liquid c)solid
gas
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20
The reason a balloon increases in size when you put more gas molecules into it, is because the particles move more quickly and _______________ with each other and the balloon. Fill in the blank.
collide
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thief
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25
seesaw
Swap points!
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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20
If the melting point of substance X is 550 C, what state would it be in at 450 C?
solid
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10
What state of matter takes the shape of its container?
liquid
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15
How many atoms are there in sodium chloride?
2
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25
Which two elements on the periodic table are liquids at room temperature?
Bromine and Mercury
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15
How does the composition of particles change when they change from solid to liquid?
Trick question! They do not... the particle composition stays the same in phase changes. What does change is the physical properties.
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15
Which substance has the highest melting point?
platinum
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10
What phase change is showing in this image?
sublimation
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5
The phase change from liquid to gas
boiling
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trap
No points!
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fairy
Take points!
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25
rocket
Go to first place!
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banana
Go to last place!
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25
Name at least 2 factors that affect the speed of diffusion.
Any 2 of the following: 1) Particle Size 2) Temperature 3) The state of the diffusing substance
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25
Which of the following is NOT a diatomic molecule? hydrogen, sulfur, bromine, nitrogen