9th SCIENCE LESSON 11 (ATOMIC STRUCTURE ) QUESTION & ANSWER -T/M

(ATOMIC STRUCTURE ) T/M  (2019) NEW EDITION.   -click here.



PREPARED BY

D.RAVIKUMAR M.Sc.,B.Ed.,M.Phil.,
B.T ASST  SCIENCE                                                                                                           
GHS THIRUMOORTHINAGAR 
TIRUPUR (DT)
MOBILE : 7598370903

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