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25
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How can you prove that an element is truly an element (not a molecule)?
It can't be broken down into anything smaller.
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seesaw
Swap points!
Oops!
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magnet
Take 10 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
×
True or False? All substances are made from two or more elements.
False
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boom
Lose 50 points!
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fairy
Take points!
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25
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shark
Other team loses 20 points!
Okay!
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lifesaver
Give 20 points!
Oops!
15
×
What do we call the central core of an atom?
the nucleus
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15
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An/A ___________________ is the smallest particle of an element that still has the properties of that element.
atom
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15
×
How many atoms make up a molecule of water?
3 - two hydrogen and one oxygen
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20
×
What is the result of an atom always having an equal number of protons and electrons?
The atom has a neutral charge.
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15
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Which one is not a molecule? O/O2/H2O/NaCl
O - because it is just one atom of oxygen - the others are 2 or 3 atoms combined
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15
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What element is diamond made of?
carbon
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25
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What is an atoms mostly made up of?
empty space
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15
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What are the tiny particles that make up an atom?
protons/electrons/neutrons
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15
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How many atoms must join together to form a molecule?
two or more
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thief
Give points!
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25
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fairy
Take points!
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25
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gift
Win 15 points!
Okay!
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baam
Lose 20 points!
Oops!
20
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Identify the 4 forms of carbon.
coal/graphite/diamond/buckyball
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20
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Identify THREE examples of properties.
color/hardness/density
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