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an atom is made out of a sphere positive charges with negatively charged electron embedded in it​

Sagot :

Answer:

The description you provided refers to the "plum pudding model" of the atom. This model was proposed by J.J. Thomson in 1904 after his discovery of the electron.

In the plum pudding model:

The atom is envisioned as a sphere of positive charge.

The negatively charged electrons are embedded within this sphere, much like "plums" in a "pudding."

However, this model was later disproved by Ernest Rutherford through his famous gold foil experiment in 1911. Rutherford's experiment showed that atoms have a small, dense, positively charged nucleus at the center, with electrons orbiting around it, leading to the development of the more accurate Rutherford model and eventually the Bohr model of the atom.

Explanation:

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J Thomson compared his atomic model with a plum pudding. According to him, an atom is a positively charged sphere and negatively charged electrons are embedded in it. The positive charge is balanced by negative charge of electrons making the atom electrically neutral.