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10 July, 11:17

Atoms of iron (Fe) form metallic bonds with other iron atoms. How are the valence electrons of these atoms rearranged to form the bonds?

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  1. 10 July, 11:35
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    Question: Atoms of iron (Fe) form metallic bonds with other iron atoms. How are the valence electrons of these atoms rearranged to form the bonds?

    A) a few valence electrons are shared between the atoms.

    B) many valence electrons are shared between the atoms.

    C) electrons are transferred from the iron atoms to atoms in the air.

    D) electrons are transferred to the iron atoms from atoms in the air

    Answer:

    "Many valence electrons are shared between the atoms"

    Explanation:

    Chemical bonds can be broadly classified into 3 categories:

    1) Ionic bond

    2) Covalent Bond

    3) Metallic bond

    Metallic bonds are formed due to the attraction among the mobile valence electrons of the metal atom and its positively charged nucleus. In a piece of iron, the metallic bonds among Fe atoms will spread over the whole molecular assembly due to the de - localization of the valence electrons.

    These de-localized electrons are the valence electrons of metal atoms which are shared between them.

    Hence, the correct answer from the given options is option B.
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