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प्रश्न
(a) What is the nucleus of an atom and what is the nature of charge on it?
(b) Name the scientist who discovered the nucleus of atom.
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उत्तर
(a) The nucleus is a very dense region at the centre of an atom, consisting of protons and neutrons. The charge of the nucleus is positive as it contains protons which are positively charged and neutrons which are neutral.
(b) Ernest Rutherford discovered the nucleus of an atom.
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संबंधित प्रश्न
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
In Rutherford’s experiment, generally the thin foil of heavy atoms, like gold, platinum etc. have been used to be bombarded by the α-particles. If the thin foil of light atoms like aluminium etc. is used, what difference would be observed from the above results?
Which part of an atom was discovered by Rutherford's alpha particle scattering experiment?
Name the particles used by Rutherford in his experiment on the discovery of nucleus. Also state the charge on these particles.
Rutherford's alpha particle scattering experiment led to the discovery of :
Draw a neat labelled diagram
Rutherford's scattering experiment
Which of the following statements about Rutherford’s model of atom are correct?
(i) considered the nucleus as positively charged
(ii) established that the α–particles are four times as heavy as a hydrogen atom
(iii) can be compared to solar system
(iv) was in agreement with Thomson’s model
Why did Rutherford select a gold foil in his α–ray scattering experiment?
Gold foil alpha particle scattering experiment was performed by ______.
Rutherford’s model of an atom has a very small ______ at the center.
