Chemistry, 18.07.2019 07:00 DojaCat

Which of the following sentences best compare conductors and insulators conductors and insulators allow electrons to flow freely conductors and insulators do not allow for electrons to flow freely insulators obstruct the flow of electrons whereas conductors allow electron to flow freely conductors obstruct the flow of electrons whereas insulators allow electron to flow freely

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Answer from: s855753

The correct answer is C. Insulators obstruct the flow of electrons whereas conductors allow electrons to flow freely.

Explanation:

Electricity refers to the flow or existence of an electrical charge that is connected to electrons. In this context, conductor materials refer to those materials that allow electricity to flow freely, this includes materials such as steel or copper. On the other hand, insulators are materials that stop or obstruct the flow of electrons and therefore the flow of electricity which includes materials such as wood or rubber. According to this, the statement that compares insulators and conductors is "Insulators obstruct the flow of electrons whereas conductors allow electrons to flow freely".

Answer from: Quest

explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is $1s^{2}2s^{2}2p^{6}3s^{1}$ and electronic configuration of phosphorous is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$ .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

$3na + p \rightarrow na_{3}p$

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.

Electrons are transferred from atoms of to atoms of this transfer makes the sodium atoms and the

Answer from: Quest

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