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more transition metals and their extraction
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Cards (30)
What property allows transition metals to be drawn into wire?
Ductility
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What charge anion do group 6 elements make?
2-
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Why are metals considered good conductors?
They have
free-moving electrons
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What are the physical properties of metals?
Hard
High
density
High
tensile strength
High
melting and boiling points
Good
conductors of heat and electricity
Malleable
Ductile
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What is an ore?
A rock containing enough
metal
to extract
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What does iron ore contain?
Iron oxide
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What does copper ore contain?
Copper sulphide
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What does it mean for a metal to be economical to extract?
The value exceeds
extraction costs
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Which metal is the most reactive?
Potassium
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Which metal is the least reactive?
Platinum
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How can you extract copper from copper ore?
Using
carbon
to reduce
copper oxide
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What is the reaction for extracting copper?
CuO
+ C → Cu +
CO2
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What does the Roman numeral II indicate in iron II oxide?
Iron has a charge of
Fe2+
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What is the formula for iron III oxide?
Fe2O3
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What is the formula for copper II oxide?
CuO
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What is the formula for copper I oxide?
Cu2O
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What is the formula for iron II chloride?
FeCl2
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What is the formula for chromium III chloride?
CrCl3
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What is the formula for nickel II carbonate?
NiCO3
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What can transition metals form?
Ions with different
charges
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What type of compounds do transition metals form?
Coloured
compounds
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What is one use of transition metals?
As
catalysts
in chemical reactions
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What are the three key properties of transition metals?
Ions
with different
charges
Coloured
compounds
Useful as
catalysts
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How are metal atoms bonded together?
Through
metallic bonding
in a
lattice structure
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How can we explain the properties of metals?
By their
structure
and
bonding
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What would you see in a piece of copper at the atomic level?
A giant
metallic lattice structure
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What are the properties of metals regarding conductivity and temperature?
Conduct electricity
Conduct heat
High
melting
and
boiling
points
Ductile
and malleable
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Name three transition metals.
Iron
,
Copper
,
Nickel
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State three typical physical properties of transition metals.
Hard, Dense, High
melting points
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State three physical properties of group 1 alkali metals.
Soft,
Low density
,
Highly reactive
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