Question

catenation and tetravalency of carbon ​

Answer 1

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cetenation:-

Carbon is unique among the elements in that carbon atoms can form bonds with other carbon atoms. This property, known as "concatenation," is the reason that there are more than several million known organic (containing carbon) compounds. Diamonds and graphite are allotropes of carbon.

tetravalency:-

A carbon atom has four electrons in its outermost valence shell. ... As a result, carbon atom forms four covalent bonds by sharing valence electrons with other atoms. This is known as tetravalency of carbon,(tetra means four).

Answer 2

Answer:

Catenation is defined as the ability of an atom to join with the other atoms of the same element and form long chains, be it straight, branched or cyclic. Carbon is the element which shows the maximum catenation property. In other words, valency of each carbon atom can be satisfied by combining with other carbon atoms.