what are the limitations of J.J.THOMSON'S model of atom
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According to J.J. Thomson'smodel 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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Atoms are neutrally charged
Negatively charged particles called electrons are present in an atom. Learn about Charged particles in Matter in more detail here.
Thomson’s Atomic Model- Postulates
According to the postulates of Thomson’s atomic model, an atom resembles a sphere of positive charge with electrons (negatively charged particles) present inside the sphere.
The positive and negative charge is equal in magnitude and therefore an atom has no charge as a whole and is electrically neutral.
Thomson’s atomic model resembles a spherical plum pudding as well as a watermelon. It resembles a plum pudding because the electrons in the model look like the dry fruits embedded in a sphere of positive charge just like a spherical plum pudding. The model has also been compared to a watermelon because the red edible part of a watermelon was compared to the sphere having a positive charge and the black seeds filling the watermelon looked similar to the electrons inside the sphere.
Negatively charged particles called electrons are present in an atom. Learn about Charged particles in Matter in more detail here.
Thomson’s Atomic Model- Postulates
According to the postulates of Thomson’s atomic model, an atom resembles a sphere of positive charge with electrons (negatively charged particles) present inside the sphere.
The positive and negative charge is equal in magnitude and therefore an atom has no charge as a whole and is electrically neutral.
Thomson’s atomic model resembles a spherical plum pudding as well as a watermelon. It resembles a plum pudding because the electrons in the model look like the dry fruits embedded in a sphere of positive charge just like a spherical plum pudding. The model has also been compared to a watermelon because the red edible part of a watermelon was compared to the sphere having a positive charge and the black seeds filling the watermelon looked similar to the electrons inside the sphere.
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