Which substance is a solid?
this chart shows descriptions of the atoms for four different
substances
object 1
side past
descriptions of four substances
object 2 object 3 object 4
are very form a crystal spread out to
viscous
fill their
container
object 1
object 2
object 3
object 4

2b2t

explanation:

2b2t

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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