Question

2 pasulates of JJ Thosman ?

Answer 1

Answer:

According to Thomson atoms were positively charged spheres and the electrons were embedded in it. The negative and positive charges were equal in magnitude, so the overall atoms was electrically neutral. The positive charge on the atom was uniformly distributed.

Answer 2

Answer:

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Thomson assumed that an electron is two thousand times lighter than a proton and believed that an atom is made up of thousands of electrons. In this atomic structure model, he considered atoms surrounded by a cloud having positive as well as negative charges. The demonstration of the ionization of air by X-ray was also done by him together with Rutherford. They were the first to demonstrate it. Thomson’s model of an atom is similar to a plum pudding.

Postulate 1: An atom consists of a positively charged sphere with electrons embedded in it

Postulate 2: An atom as a whole is electrically neutral because the negative and positive charges are equal in magnitude

Thomson atomic model is compared to watermelon. Where he considered:

Watermelon seeds as negatively charged particles

The red part of the watermelon as positively charged

Explanation:

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