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What is the order of radius of helium at...

What is the order of radius of helium atom?

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It is of the order of `10^(-10)m`.
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Knowledge Check

  • What is the order of reactivity of hydrogen atoms attached to carbon atom in an alkene?

    A
    `3^(@) gt 1^(@) gt 2^(@)`
    B
    `2^(@) gt 1^(@) gt 3^(@)`
    C
    `3^(@) gt 2^(@) gt 1^(@)`
    D
    `1^(@) gt 2^(@) gt 3^(@)`
  • What is the radius of the second orbit of helium atom , on the basis of Bohr's atom model ?

    A
    1.06 Å
    B
    2.12 Å
    C
    0.265 Å
    D
    0.53 Å
  • According to Bohr's model, the radius of the second orbit of helium atom is

    A
    `0.53 Å`
    B
    `1.06 Å`
    C
    `2.12 Å`
    D
    `0.265 Å`
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