Where are transition elements located in the Periodic Table?
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Where are transition elements located in the Periodic Table?
Transition elements are located in the middle of the Periodic Table, between Group 2 and Group 3.
Give two typical properties of transition elements.
Typical properties of transition elements include:
high densities.
high melting points.
form coloured compounds.
act as catalysts.
True or False?
Transition elements have low densities.
False.
Transition elements have high densities.
True or False?
Transition metals do not have the properties typical of a metal.
False.
Transition metals do have the properties typical of a metal.
True or False?
Transition elements are useful as catalysts.
True.
Transition elements are useful as catalysts.
True or False?
Group 1 metals and transition metals form ions with the same charge.
False.
Group 1 metals form ions with a +1 charge while transition metals can form ions with variable charges.
Compare the hardness of transition metals to Group 1 metals.
Transition metals are much harder than Group 1 metals, which are very soft and light.
How do the melting points of transition metals compare to those of Group 1 metals?
Transition metals have much higher melting points than Group 1 metals.
True or False?
Transition metals are more reactive than Group 1 metals.
False.
Transition metals are much less reactive than Group 1 metals.
How do Group 1 metals and transition metals differ in their reaction with oxygen?
Group 1 metals tarnish quickly in the presence of oxygen, forming a metal oxide.
Transition metals react much more slowly.
For example, iron takes several weeks to form rust (iron oxide) and requires the presence of water.
What are two key characteristics that define a transition element?
Two key characteristics that define a transition element are:
They form coloured compounds.
They have multiple oxidation states.
Compare the reactivity of Group 1 metals and transition metals with water, oxygen, and halogens.
Group 1 metals react readily with water, oxygen, and halogens, while transition metals either react very slowly or do not react at all with these substances.