Which of the following is/are the reason/s for the reactivity of elements?

Passing of electric current

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Change of state

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Tendency to attain noble gas configuration

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B and C

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Solution

The correct option is C
Tendency to attain noble gas configuration

All elements try to attain a noble gas configuration, i.e. a completely filled outermost shell. They do so either by sharing electrons, gaining or losing electrons. This is the reason behind the reactivity of elements.
Ex: Na loses an electron to attain stability.

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