9th Class Chemistry Guess Paper Long Questions

Chemistry Guess Paper for 9th Class

Long Questions of 9th Class Chemistry Guess Paper

Defects in Rutherford Model, Bohr Atomic Theory,

Properties of Cathode Rays, Discovery of Proton and electronic configuration of CA and MG,

Uses of isotopes. Modern Periodic Table

Units of Atomic Radius.Trend of Ionization Energy in a group.

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