Q. 45.0( 1 Vote )

In the Thomson’s model of atom, which of the following statements are correct?

(i) The mass of the atom is assumed to be uniformaly distributed over the atom

(ii) The positive charge is assumed to be uniformaly distributed over the atom

(iii) The electrons are uniformaly distributed in the positively charged sphere

(iv) The electrons attract each other to stabilise the atom
A. (i), (ii) and (iii)

B. (i) and (iii)

C. (i) and (iv)

D. (i), (iii) and (iv)

Answer :

Thomson proposed the model of an atom to be similar to that of a Christmas pudding. The electrons in a sphere of positive charge, where like currants (dry fruits) in a spherical Christmas pudding.

Thomson proposed that:-

i. An atom consists of a sphere of positive charge with negatively charged electrons embedded in it.

ii. The positive and the negative charges in an atom are equal in magnitude due to which an atom as a whole is electrically neutral.

Hence, the statements i, ii, iii are correct and the correct option is A.

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