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What is valency? Write valency of hydrog...

What is valency? Write valency of hydrogen.

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1) The number of electrons present in outer most orbit of an atom is called its valency.
2) Valency of hydrogen is 1.
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Knowledge Check

  • The valency of neon is

    A
    1
    B
    3
    C
    2
    D
    0

  • The valency of sulphur is

    A
    2
    B
    6
    C
    2 and 6
    D
    0

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