An element A has an outer electronic configuration $2 s^{2} 2 p^{4}$ . The number of covalent bonds in $A_{2}$ is:

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Solution

The correct option is B 2
Based on the outer electronic configuration, the element needs two electrons to attain stable electronic configuration. The element is oxygen and hence it shares two electrons and forms a covalent double bond in $A_{2}$ .

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Covalent Bond vs Ionic Bond

Standard XIII Chemistry

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An element A has an outer electronic configuration 2s2 2p4. The number of covalent bonds in A2 is:

The correct option is B 2Based on the outer electronic configuration, the element needs two electrons to attain stable electronic configuration. The element is oxygen and hence it shares two electrons and forms a covalent double bond in A2.

An element A has an outer electronic configuration $2 s^{2} 2 p^{4}$ . The number of covalent bonds in $A_{2}$ is:

The correct option is B 2
Based on the outer electronic configuration, the element needs two electrons to attain stable electronic configuration. The element is oxygen and hence it shares two electrons and forms a covalent double bond in $A_{2}$ .