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Chemistry Paper 1
Metallic Bonding
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Cards (21)
What type of bonding occurs between metal atoms?
Metallic bonding
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What characteristic properties arise from metallic bonding?
Strength
,
conductivity
, and
malleability
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How do metals bond to non-metals?
Through
ionic bonding
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How do non-metals bond to other non-metals?
Through
covalent bonding
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What happens to outer shell electrons in metallic bonding?
They are shared among all
atoms
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What do we call electrons that can move freely in metals?
Delocalized electrons
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What type of structure do metals have?
A
giant
regular
atomic
structure
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What is the effect of strong electrostatic attraction in metals?
It holds the structure together
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Why do metals have high melting and boiling points?
Due to strong
metallic bonding
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Why are metals good conductors of electricity and heat?
Delocalized electrons
carry energy
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What does malleable mean in relation to metals?
Can
be
bent
or
hammered
into
shapes
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Why can layers in metals slide over one another?
Due to their regular
structure
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What is the purpose of creating alloys?
To make
harder
metals
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How are alloys typically made?
By mixing different
metals
or a metal and
non-metal
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Why do different sized atoms in alloys help their hardness?
They disrupt the regular structure
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What is steel primarily made of?
Iron
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What percentage of carbon is typically found in steel?
1
to
2
percent
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What additional elements can be found in steel?
Chromium
,
manganese
, or
vanadium
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Why is steel used in cars and planes?
It provides necessary
strength
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What are the key properties of metals due to metallic bonding?
High
melting
and
boiling
points
Good conductors of electricity and heat
Malleability (can be shaped)
Strength due to strong
electrostatic attraction
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How do alloys differ from pure metals?
Alloys contain two or more different
elements
Alloys have disrupted
regular structures
Alloys are generally harder than pure metals
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