The two characteristic features seen in carbon, that is, _______ and _______, when put together, give rise to a large number of compounds.
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A.
tetravalency; covalency
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B.
trivalency; catenation
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C.
covalency; catenation
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D.
tetravalency; catenation
Correct Answer:
D. tetravalency; catenation
Explanation:
Carbon possesses two unique properties, tetravalency and catenation, which enable it to form a vast array of compounds. Tetravalency refers to carbon's ability to form four covalent bonds with other atoms due to its four valence electrons. Catenation is the ability of carbon atoms to link together in long chains or rings through strong covalent bonds. When combined, these two characteristics allow for the immense structural diversity found in organic chemistry.
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