When heating a solid, do the particles move faster to form a liquid or move move less and get closer together to form a liquid?
The particles move faster to form a liquid.
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20
List 4 properties of non-metals.
dull, brittle, do not conduct electricity, do not conduct heat well
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10
A solution with a higher concentration (concentrated) has (more/less) solute particles compared to a solution with a lower concentration.
more
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25
There are 4 cups of water with temperature of 20°C, 60°C, 80°C and 95°C. Which water in which the particles move fastest? Why?
95°C (highest), because of highest energy
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10
Both iron and oxygen are ductile. True of False?
False
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trap
No points!
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star
Double points!
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rocket
Go to first place!
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banana
Go to last place!
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25
Why is alloy stronger and harder than pure metal?
Because particles has a regular pattern so the particles are easy to slide, but they cannot do that in alloy because there are different types of atoms in alloy
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baam
Lose 15 points!
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gift
Win 20 points!
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fairy
Take points!
5
10
15
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25
baam
Lose 25 points!
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15
The interaction between particles in an ice cube is weaker than that in water. True or False
