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Covalent Bond

Atomic number...

Question

Atomic number of the four elements $A, B, C$ and $D$ are respectively $Z - 1, Z, Z + 1$ and $Z + 2$ . If $Z = 9$ , what is type of bonding between $B$ and $D$ ?

A

Ionic

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B

Covalent

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C

Dative

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D

None of these

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Solution

The correct option is A Ionic
Atomic Number of $B$ is $9$ i.e., fluorine.
Atomic Number of $D$ is $9 + 2 = 11$ i.e., sodium.
They will form ionic compound i.e., $N a F$ .

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