This model was
picturesquely called plum pudding model of the atom However
subsequent studies on atoms, as described in this chapter, showed that
the distribution of the electrons and positive charges are very different
from that proposed in this model We know that condensed matter (solids and liquids) and dense gases at
all temperatures emit electromagnetic radiation in which a continuous
distribution of several wavelengths is present, though with different
intensities This radiation is considered to be due to oscillations of atoms
Chapter Twelve
ATOMS
Rationalised 2023-24
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Atoms
and molecules, governed by the interaction of each atom or
molecule with its neighbours