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C2.6 The transition elements - Coggle Diagram
C2.6 The transition elements
Physical properties
The
transition
metals are good conductors of electricity
They are hard and strong
They have high densities
They have high melting points (Except Mercury, which is liquid at room temp)
Chemical properties
The
transition
metals are less reactive than those in group 1
They don't react as readily with gases such as oxygen or chlorine
Iron reacts much slower with chlorine gas than sodium
If the transition metals corrode, they would do it slowly
E.g. Copper
Compounds of transition elements
Some examples of compounds include
Copper sulfate
Nickel carbonate
Chromium oxide
Manganese chloride
For each transition element compound, you will often find a Roman number E.g. Iron(III) oxide
This is because transition elements can form more than one ion
E.g. Copper+ or Copper2+
Transition elements and their compounds are important in the chemical industry as catalysts
An example is how Nickel is used to make Margarine