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The unit of length convenient on the ato...

The unit of length convenient on the atomic scale is known a an angstrom and is denoted by `A10^(10)m`. The radius of the hydrogen atom is about 0.5 A. What is the total atomic valume in `m^(3)` of a mole of hydrogen atoms?

A

`3.15xx10^(-7)m^(3)`

B

`3.15xx10^(-9)m^(3)`

C

`3.15xx10^(-4)m^(3)`

D

`3.15xx10^(-20)m^(3)`

Text Solution

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The correct Answer is:
A
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The unit of length convenient on the atomic scale is known as an angstrom and is denoted by Å:1Å=10^(-10)m . The size of a hydrogen atom is about 0.5Å . What is the total atomic volume in m^(3) of a mole of hydrogen atoms?

The unit of length conventent on the atomic scale is known as an angstrom and is denoted by Å: 1Å = 10^(10) m . The size of a hydrogen atom is about 0.5Å. What is the total atomic volume in m^(-3) of a mole of hydrogen atoms ?

Knowledge Check

  • If radius of first orbit in hydrogen atom is 0.53Å , then what will be the radius of fourth orbit?

    A
    `0.193Å`
    B
    `4.24Å`
    C
    `2.12Å`
    D
    `8.48Å`

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