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chemistry paper 1
Transition Metals vs. Alkali Metals
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Cards (13)
Where are the transition elements located on the periodic table?
Between
Groups 2
and 3
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What are the typical properties of transition metals?
They have all typical properties of metals
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How do the charges of Group 1 metals differ from transition metals?
Group 1 metals form +1 ions, transition metals form
variable
charges
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What ions can iron form?
Fe2+
and
Fe3+
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How do the hardness and density of transition metals compare to Group 1 metals?
Transition
metals are
harder
,
stronger
, and
denser
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What is the melting point of titanium?
1,688
ºC
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What is the melting point of potassium?
63.5
ºC
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How does the reactivity of transition metals compare to Group 1 metals?
Transition metals are much less
reactive
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What happens when Group 1 metals react with oxygen?
They tarnish and form
metal oxides
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How quickly do Group 1 metals tarnish in the presence of oxygen?
They tarnish in
seconds
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How does iron react with oxygen compared to Group 1 metals?
Iron takes
weeks
to react and requires water
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What is formed when iron reacts with oxygen?
Iron oxide
(
rust
)
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What is required for iron to form rust?
The presence of
water
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