Assuming the atom and the nucleus to be spherical,

Discussion in 'CBSE Class 9 Chemistry Help' started by Vinila Choudary, Jan 29, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    The ratio of the radii of hydrogen atom and its nucleus is 10^5. Assuming the atom and the nucleus to be spherical,
    Assuming the atom and the nucleus.JPG
    (i) What will be the ratio of their sizes?

    (ii) If an atom is represented by the planet earth ‘Re’ = 6.4 x 10^6m, estimate the size of the nucleus.

    (Hi) How many neutrons are present in each of the three isotopes of hydrogen?

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