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chemistry
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Created by
Alexander Khachaturyan
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Cards (29)
What term is used to describe small things that make up substances?
Particles
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What are the four types of particles mentioned in the video?
Atoms,
elements
,
compounds
, and
mixtures
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What do atoms make up?
Everything
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Can you give an example of an object made up of atoms?
Coins
,
cats
, and clouds
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What are different types of atoms called?
Elements
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How many elements are there approximately?
Around
100
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Where are elements displayed?
In the
periodic table
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Can you name an element that is commonly recognized?
Oxygen
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What is an example of a metal element?
Iron
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What does a bar of gold consist of?
Only one type of
atom
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How can we represent an element in a particle model?
By showing only
one
colored
circle
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What is the definition of a compound?
Two or more elements chemically bonded together
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What is the chemical name for salt?
Sodium chloride
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What elements make up sodium chloride?
Sodium and
chlorine
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How can you recognize a compound in a diagram?
By looking for two different colors or shapes that are bonded together
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How do the properties of a compound differ from the properties of its constituent elements?
The properties of a compound can be very different from those of the elements that make it up
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What is an example of a compound with different properties from its elements?
Water
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What is the boiling point of water compared to its constituent gases?
Water has a higher boiling point than
oxygen
and
hydrogen
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What is the definition of a mixture?
Two or more
elements
or
compounds
that are not bonded together
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Can you give an example of a mixture?
Air
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What does a mixture contain?
Two or more
elements
or
compounds
that are not bonded
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What is the definition of a molecule?
Two or more
nonmetals
atoms
bonded together
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Where are nonmetals found on the periodic table?
On the
right-hand side
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What is an example of a molecule?
O
2
_2
2
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How is a water molecule represented?
As H
2
_2
2
O
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How can a molecule be classified?
A molecule can be an element or a compound
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What is the purpose of the video mentioned at the end?
To encourage viewers to
subscribe
and find more resources
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Where can viewers find all the videos mentioned?
At GCSE revision monkey.com
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What does the key stage 3 package contain?
Revision monkey videos and additional resources
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