NCERT Solution Class IX Science Structure of the Atom Question 2 (Ex 4.8)

Question 2:

What are the limitations of J.J. Thomson’s model of the atom?

Answer:

According to J.J. Thomson’s model of an atom, an atom consists of a positively charged sphere with electrons embedded in it. However, it was later found that the positively charged particles reside at the centre of the atom called the nucleus, and the electrons revolve around the nucleus.

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