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Van der Waals radius - Wikipedia


The Van der Waals radius, rw, of an atom is the radius of an imaginary hard sphere representing the distance of closest approach for another atom. It is named after Johannes Diderik van der Waals, winner of the 1910 Nobel Prize in Physics, as he was the first to recognise that atoms ... For a single atom, it is the volume of a sphere whose radius is the Van der ...


For more information, see Van der Waals radius - Wikipedia

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The Physics of Subatomic Particles


The charge of the electron is now acknowledged to be 1 .60210(2) x 10-'1 C, and its ... this indicates an atomic diameter of about 3.4 x 10''' m for an argon atom, ... It was later found that the size of a nucleus consisting of A particles ... ility of finding a particle in a space, volume dxdydz units, is defined as ... Angstrom unit . AC.


For more information, see The Physics of Subatomic Particles

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angstrom | Definition, Uses, & Facts | Britannica


Mar 17, 2021 ... Angstrom (Å), unit of length, equal to 10��10 metre, or 0.1 nanometre. ... atomic and molecular sizes (most elements have atoms with radii of about 1 to 2 Å) and the thickness of films on liquids. ... Balmer series of hydrogen ... in calculations involving artificial lighting and is sometimes called the “new candle.


For more information, see angstrom | Definition, Uses, & Facts | Britannica

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angstrom | Definition, Uses, & Facts | Britannica


Mar 17, 2021 ... Angstrom (Å), unit of length, equal to 1010 metre, or 0.1 nanometre. ... atomic and molecular sizes (most elements have atoms with radii of about 1 to 2 Å) and the thickness of films on liquids. ... Balmer series of hydrogen ... in calculations involving artificial lighting and is sometimes called the “new candle.


For more information, see angstrom | Definition, Uses, & Facts | Britannica

Teja
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Given that

Radius of hydrogen atom, r = 0.5 Å =0.5 * 10^{-10} m

Step 1: Finding the volume of the atom

Volume of hydrogen atom(Sphere) = \frac{4}{3} \pi r^3

=\frac{4}{3}*3.14*(0.5*10^{-10})^3

= 0.524 * 10^{-30} m^3


Step 2:  Finding the total volume of the atom

1 mole of hydrogen contains 6.023 * 10^{23} hydrogen atoms.

Volume of 1 mole of hydrogen atoms = 6.023 * 10^{23} * 0.524 * 10^{-30}

= 3.16* 10^{-7} m^3

Hence, total volume of mole of hydrogen atoms = 3.16* 10^{-7} m^3