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Assertion (A): Carbon has a strong tendency to either loss or gain electrons to attain noble gas configuration. Reason (R): Carbon has 4 electrons in its outermost shell and has the tendency to share electrons with carbon or other elements.
Carbon does not have a strong tendency to lose or gain electrons completely. Instead, it has 4 valence electrons and typically shares electrons with other atoms to achieve a stable configuration. The correct answer is D: A is false but R is true.
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