GCSE Chemistry (AQA)

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Transition Elements: Chemical Properties

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Atomic structure and the periodic table Properties of transition metals

Transition Elements: Chemical Properties

4:11 Transition Element Properties and Compounds
Spec 4.1.3.1
Previous Transition Elements: Physical Properties Next Transition Elements: Ions & Compounds
  • Transition metals are less reactive than Group one metals.
  • Transition metals make up most of the metals in the middle section of the periodic table.
  • Group one metals, also known as alkaline metals, are located in a column on the edge of the periodic table.
  • Transition metals react less vigorously with cold water than Group one metals.
  • Group one metals react quickly and vigorously with water, sometimes explosively.
  • Iron, a transition metal, reacts very slowly with water, eventually rusting over time.
  • Some transition metals do not react with water at all, even after years.
  • Transition metals react less vigorously with oxygen than Group one metals.
  • Alkaline metals tarnish quickly when exposed to oxygen, while transition metals react slowly or not at all at room temperature.
  • The Statue of Liberty, made from copper, slowly reacted with oxygen over 20-30 years to form copper oxide, giving it a blue-green color.
  • Some transition metals react with oxygen when heated, forming metal oxides, such as nickel forming black nickel oxide at 400 degrees Celsius.
  • Transition metals react much less vigorously with halogens than Group one metals.
  • Gold does not react with chlorine gas, while some transition metals react slowly.
  • Heated iron reacts with chlorine gas to form iron three chloride, a dark greenish-black solid.
  • Some transition metals react with halogens when heated, but the reactions are less vigorous than those of alkaline metals.

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