Important topics & questions for CBSE Class 9 Science chapter 4, Structure of Atom, are available here. All the questions have been prepared to cover most of the important topics included in the ...
The atoms of different elements differ in the number of electrons, protons and neutrons. The discovery of electrons and protons suggested that atoms are divisible and they do have an inner structure.
Mrs Roberts: What do you think you're made of? Mr Spellman: Big question. Grit, determination, hard-working, handsome, charming, funny. Mrs Roberts: Well, I guess. But you're actually made of atoms.
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