How does the structure of atoms in a substance determine the substance’s conductivity?(1 point)
Responses
If an atom’s nucleus is positively charged, the substance is a good conductor.
If an atom’s nucleus is positively charged, the substance is a good conductor.
If an atom’s outer shell of electrons is loosely bound to the nucleus, the substance is a good conductor.
If an atom’s outer shell of electrons is loosely bound to the nucleus, the substance is a good conductor.
If an atom’s outer shell of electrons is positively charged, the substance is a good conductor.
If an atom’s outer shell of electrons is positively charged, the substance is a good conductor.
If an atom’s outer shell of electrons is tightly bound to the nucleus, the substance is a good conductor.
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If an atom’s outer shell of electrons is loosely bound to the nucleus, the substance is a good conductor.
The correct response is:
If an atom's outer shell of electrons is loosely bound to the nucleus, the substance is a good conductor.
The reason for this is that in order for a substance to conduct electricity, it needs to have mobile charged particles that can carry the electric current. In most substances, it is the outer shell electrons of the atoms that are responsible for this conductivity.
When the outer shell electrons are loosely bound to the nucleus, they are able to move freely within the material, creating a flow of charge. This allows for the substance to conduct electricity effectively. In contrast, if the outer shell electrons are tightly bound to the nucleus, they are less able to move, resulting in poor conductivity.
It is important to note that the charge of the nucleus alone does not determine the substance's conductivity. It is the availability and mobility of the outer shell electrons that is crucial.