SCIENCE||DEVELOPMENT OF THE ATOMIC MODEL||FLASHCARDS

JOHN DALTON

stated that atoms are like tiny solid balls like billard balls. atoms are tiny indivisible particles

1 of 5

JJ THOMPSON

discovered the electron he proposed that the atoms is a sphere of positive charge with negative electrons embedded randomly in the sphere

2 of 5

RUTHERFORD

showed that the atom was made from very dense, positive centre and that the nucleus and the rest of the atom was mostly empty space

3 of 5

NIELS BOHR

proposed that electrons move around in specific layers or shells

4 of 5

JAMES CHADWICK

made the final discovery of the neutron which he stated was found in the nucleus along side the proton.

5 of 5

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discovered the electron he proposed that the atoms is a sphere of positive charge with negative electrons embedded randomly in the sphere

JJ THOMPSON

showed that the atom was made from very dense, positive centre and that the nucleus and the rest of the atom was mostly empty space

proposed that electrons move around in specific layers or shells

made the final discovery of the neutron which he stated was found in the nucleus along side the proton.

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