Question

Thomas model of atom

Answer 1

Postulates of Thomson’s atomic model

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 was positively charged.