Question

Explain Discovery of Nucleus.​

Answer 1

Answer:

The nucleus was discovered in 1911, as a result of Ernest Rutherford's efforts to test Thomson's "plum pudding model" of the atom. ... In his plum pudding model, Thomson suggested that an atom consisted of negative electrons randomly scattered within a sphere of positive charge.

Answer 2

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★ Discovery of Nucleus

$\longrightarrow$ Rútherford take a very thin foil of gold and very fast moving alpha particles are alløwed to strike on each.

Accørding to him:

$\leadsto$ Nucleas of an atom is very dense and hard.

$\leadsto$ Nucleus of an atom is positively changed.

$\leadsto$ Nucleus of an atom is very small as compared to the size of the atom as a whole.

Nucleus

$\leadsto$ It is a small positively charged part at the centre of an atom.

$\leadsto$ In nucleus, protons and neutrons are present.

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