Which of these was a characteristic of the Rutherford model of the atom, but not the Thomson model? (2 points)

a. negatively charged electrons

b. positive charge concentrated at the center of the atom

c. equal positive and negative charges

d. indivisible atoms

Respuesta :

Thomsons model( commonly the plum pudding model) - can also be described by a watermelon cut horizontally. The red of the water melon is a positively charged cloud with the seeds representing the negatively charged electrons sprinkled through out the positive cloud. 

Rutherford had a model with a dense positively charged nucleus at the center. This nucleus was encircled by negatively charged atoms.

Answer: b. positive charge concentrated at the center of the atom

b. positive charge concentrated at the center of the atom

What is an atomic model ?

Atomic model  refers to the structure of an atom comprising a nucleus in which the protons and neutrons  are present

According to Thomson's atomic model is like a watermelon , the red parts constitutes the positive charge and the seeds inside it are the electrons . Because electrons and protons have the same magnitude, an atom as a whole is electrically neutral

According to Rutherford's atomic model major portion of the mass of the atom is concentrate at the center and he named that portion as nucleus ,and the negative charge (electron ) revolves around the nucleus in circular orbits

so, here we can see , in Thomson's atomic model it is said that the sphere is made up of  positive charge but in Rutherford's atomic model positive charge is concentrated at the center of the atom

correct option b. positive charge concentrated at the center of the atom

learn more about atomic model :

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