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Transition Metals quiz #1

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Terms in this set (10)

  • Which type of metal is most likely to form more than one kind of positively charged ion, and why?
    Transition metals are most likely to form more than one kind of positively charged ion because they possess variable oxidation states due to the involvement of d-orbital electrons in bonding. This allows them to have multiple possible charges, unlike most main group metals which typically have only one common charge.
  • Which block of the periodic table contains the transition metals?
    Transition metals are found in the d block of the periodic table.
  • What are the two rows of inner transition metals called?
    The two rows of inner transition metals are called the lanthanides and actinides.
  • How do transition metals differ from main group elements in terms of chemical similarities?
    Transition metals show chemical similarities both across periods (rows) and groups (columns), unlike main group elements which mainly show similarities within groups.
  • Where are electrons added in transition metals as you move across the period?
    Electrons are added to the d block orbitals in transition metals as you move across the period.
  • Which transition metal has the highest electrical conductivity?
    Silver (Ag) has the highest electrical conductivity among transition metals.
  • Which transition metal has the highest melting point, and what is its value?
    Tungsten (W) has the highest melting point among transition metals, at 3,340°C.
  • What is unique about mercury among the transition metals?
    Mercury is the only transition metal that is a liquid at room temperature.
  • Why are copper, silver, and gold historically used for coins?
    Copper, silver, and gold are considered soft metals, making them easy to melt and shape into coins.
  • What is the reason for the electron configuration exception in chromium?
    Chromium's electron configuration is more stable as [Ar] 4s1 3d5 due to the stability of half-filled d orbitals, energy similarity between 4s and 3d, and reduced electron-electron repulsion.