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15
×
Look at the model of a molecule. How many different elements are used to form the molecule?
1
2
3
what?
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heart
Other team wins 20 points!
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seesaw
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fairy
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5
10
15
20
25
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banana
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15
×
How many atoms make up a molecule of water?
there's no way to know
2
3
1
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15
×
Which of these is a COMPOUND?
hydrogen
salt
iron
oxygen
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15
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How many atoms of oxygen are in a molecule of carbon dioxide?
1
3
2
there's no way to tell
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15
×
Which of these is an ELEMENT?
carbon dioxide
water
carbon
sugar
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15
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Which statement about atoms is true?
they are solid spheres
electrons orbit a nucleus of protons & neutrons
neutrons orbit a nucleus of protons & electrons
protons orbit a nucleus of electrons & neutrons
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15
×
Which of these is a COMPOUND?
oxygen
hydrogen
carbon dioxide
carbon
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15
×
Which statement is correct?
molecules must all be made up of exactly 3 atoms
2 or more molecules combined together forms an atom
2 or more atoms combined forms a molecule
every molecule forms a compound
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monster
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fairy
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rocket
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thief
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15
×
What do we call a substance that is only made up of one kind of atom?
compound
element
proton
nucleus
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15
×
What is this image a model of?
a molecule that forms a compound
an atom
a molecule that forms an atom
a molecule that forms an element
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eraser
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rocket
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gift
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thief
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15
×
What charge does a neutron have?
both negative and positive
neither negative nor positive
positive
negative
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15
×
What is the image a model of?
a model of an atom
a model of a molecule
a model of a compound
a model of the solar system
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15
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What is found in the nucleus of an atom?
neutrons & electrons
electrons & protons
protons only
protons & neutrons
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