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MDCAT
Chemistry
2008

Chemistry · Chemical Bonding

Work through this past-paper style MCQ, then read the full explanation. Practice more chemistry questions on mMCQ with adaptive practice and topic analytics.

Question

The type of intermolecular forces (forces between the particles) present in solid mercury is:

Options
  • A

    Covalent bonds

  • B

    Ionic bonds

  • C

    Metallic bonds

  • D

    H-bonds

Explanation

Solid mercury, or simply mercury (Hg) in its solid state, is an example of a metal. In metals, the bonding between atoms is primarily due to metallic bonds.

Metallic bonds occur between metal atoms and are characterized by the delocalization of electrons. In a metallic bond, the valence electrons of the metal atoms are loosely held and can move freely throughout the solid lattice, creating a "sea" of delocalized electrons. This electron delocalization gives rise to several unique properties of metals, such as high electrical and thermal conductivity and malleability.

Covalent bonds involve the sharing of electrons between atoms. In solid mercury, the bonding is not based on the sharing of electrons through covalent bonds but rather the delocalization of electrons in metallic bonding.

Ionic bonds occur between positively and negatively charged ions. In solid mercury, there are no ions present; therefore, ionic bonding is not the type of intermolecular forces present.

Solid mercury, or simply mercury (Hg) in its solid state, is an example of a metal. In metals, the bonding between atoms is primarily due to metallic bonds.

Metallic bonds occur between metal atoms and are characterized by the delocalization of electrons. In a metallic bond, the valence electrons of the metal atoms are loosely held and can move freely throughout the solid lattice, creating a "sea" of delocalized electrons. This electron delocalization gives rise to several unique properties of metals, such as high electrical and thermal conductivity and malleability.

Hydrogen bonds are relatively weak intermolecular forces that occur between hydrogen atoms bonded to highly electronegative atoms, such as nitrogen, oxygen, or fluorine. Solid mercury does not have hydrogen atoms or highly electronegative atoms bonded to it, so hydrogen bonding is not relevant.

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Tagged under Chemistry · Chemical Bonding · 2008