Fundamentals of
Atoms for
Beginners
Source: Simplified Middle School
Chemistry for Grade: VIII textbook by
Dr. VIRAF J. DALAL
,Part I – Structure of the Atom
Introduction and ancient views
, Some points to be known:
1. Earlier, Atom was considered to be indivisible i.e. after
dividing a substance, the last thing obtained or the ultimat
particle obtained will be Atom.
2. Atom was based on the Dalton‘s atomic theory that was
proposed by John Dalton.
3. Scientists such as J.J Thomson, Goldstein, Rutherford,
Chadwick, and Bohr also contributed to the discovery of th
ultimate particle the Atom.
,