A metallic bond differs form a covalent bond in that:
the valence electrons are not attached to any particular atom
it is not saturable
it is not directional
all of the above
A
it is not saturable
B
all of the above
C
the valence electrons are not attached to any particular atom
D
it is not directional
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Solution
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Metallic bond is the force of attraction between many valence electrons and positive ions such that a single electron is attracted by many positive ions (also known as kernel). Hence it is non-directional and non-saturable.
Whereas covalent bond is formed by sharing of valence electrons between two particular atoms which makes it directional as well as saturable.
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