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For a covalent bond to form between two ...

For a covalent bond to form between two atoms A and B.

A

Transference of electrons must take place from A to B.

B

A pair of electrons of A is shared by both A and B.

C

A and B contribute equal no. of electrons for mutual sharing by A and B.

D

One of the atoms, A or B, must already have octet of electrons.

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Knowledge Check

  • A covalent bond is formed between

    A
    similar atoms
    B
    dissimilar atoms
    C
    similar or dissimilar atoms
    D
    silimar molecules
  • Covalent bond is formed between the atoms of

    A
    metals
    B
    non-metals
    C
    metals and non-metals
    D
    metals and metalloids.
  • A pure covalent bond is formed between :

    A
    An electronegative element and an electropositive element
    B
    An electronegative element and an electronegative element
    C
    An electropositive element and an electropositive element
    D
    None of these
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