(a) Draw the sketch of Bohr ’s model of an atom.
(b) Draw the sketch of Thomson’s model of an atom.
a. 
Sketch of Bohr’s model of an atom
b.
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(a) Draw the sketch of Bohr ’s model of an atom.
(b) Draw the sketch of Thomson’s model of an atom.
a.
Sketch of Bohr’s model of an atom
b.