Atomic radius is of the order of $10^{- 8}$ cm and the nuclear radius is of the order of $10^{- 13}$ cm. Calculate the fraction of atom occupied by the nucleus.

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Solution

Mass number = No. of protons + No. of neutrons
Since the number of protons in an atom is equal to the atomic number of the element, we can rewrite the above relation by putting "Atomic number" in place of "No. of protons. Thus,
Mass number = Atomic number + No. of neutrons.

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Atomic radius is of the order of 10−8 cm and the nuclear radius is of the order of 10−13 cm. Calculate the fraction of atom occupied by the nucleus.

Mass number = No. of protons + No. of neutrons Since the number of protons in an atom is equal to the atomic number of the element, we can rewrite the above relation by putting "Atomic number" in place of "No. of protons. Thus, Mass number = Atomic number + No. of neutrons.

Atomic radius is of the order of $10^{- 8}$ cm and the nuclear radius is of the order of $10^{- 13}$ cm. Calculate the fraction of atom occupied by the nucleus.

Mass number = No. of protons + No. of neutrons
Since the number of protons in an atom is equal to the atomic number of the element, we can rewrite the above relation by putting "Atomic number" in place of "No. of protons. Thus,
Mass number = Atomic number + No. of neutrons.