Lead is malleable, so it can be pounded into flat sheets without breaking. how does the bonding within lead to explain this property?

metallic bonds involve valence electrons that are removed from one atom and given to another, so the pounding the electrons move.
covalent bonds involve valence electrons that are shared between two metal atoms, so the bonds are strong enough to resist the pounding.
metallic bonds involve many valence electrons shared by many atoms, so the bonds can move around as the metal is pounded.
covalent bonds involve valence electrons that are removed from one atom and given to another, so the pounding the electrons move.

The answer is Metallic bonds involve many valence electrons shared by many atoms, so the bonds can move around as the metal is pounded. The metallic bond structure of lead forms a cubic crystal structure and the atoms can roll over one another without breaking the metallic bonds. This is especially because the p orbital electrons of lead can be delocalized and the electrons can be shared with other lead ions in the cubic structure of lead.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

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