Question

The approximate radius of a H-atom is 0.05 nm, and that of proton is 1.5 x 10-15 m. Assuming both the
hydrogen atom and the proton to be spherical, calculate fraction of the space in an atom of hydrogen
that is occupied by the nucleus.
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Answer 1

Answer:

Explanation:

Area of a sphere :

A = 4πr²

Area of hydrogen atom :

(Convert the nm to m)

1nm = 1 × 10⁻⁹ M

3.142 × 4 × [0.05 × 10⁻⁹] ² = 3.142 × 10⁻²⁰ M

Area of hydrogen proton:

3.142 × 4 × [1.5 × 10⁻¹⁵] ² = 2.8278 × 10⁻²⁹ M²

(2.8278 × 10⁻²⁹) ÷ (3.142 × 10⁻²⁰) = 9 × 10⁻¹⁰.............

Answer 2

Answer:

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