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Atomic Size and Electronegativity

The unit of l...

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The unit of length convenient on an atomic scale is known as angstrom and is denoted by A=10^-10m the size of hydrogen atoms is about 0.5 angstrom what is the total atomic volume in m^3 of a mole of hydrogen atom

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Q. The unit of length convenient on the atomic scale is known as an angstrom and is denoted by Å: 1 Å = 10–10 m. The size of a hydrogen atom is about 0.5 Å. What is the total atomic volume in m3 of a mole of hydrogen atoms ?

The size of the hydrogen atom is about 0.4Å. Calculate the total volume(in m³) of a mole of hydrogen atom?

Q. A hydrogen atom contains one proton and one electron. It may be assumed that the electron revolves in a circle of radius 0.53 angstrom (1 angstrom = 10⁻¹⁰ m and is abbreviated as Å) with the proton at the centre. The hydrogen atom is said to be in the ground state in this case. Find the magnitude of the electric force between the proton and the electron of a hydrogen atom in its ground state.

Q. The radius of a hydrogen atom is

0.5 ˚ A

. Find the order of magnitude of volume of

1

mole hydrogen in

m^{3}

. Given that 1 mole of hydrogen has

6.02 \times 10^{23}

hydrogen atoms.

Q. Atomic radii of fluorine atom and neon atom (in angstrom units) are respectively given by :

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