In Chapter 3, we have learnt that ‘the existence of different kinds of matter is due to different atoms constituting them’. Now, NCERT Solutions for Class 9 Science Chapter 4, ‘Structure of Atoms’ deals with subatomic particles and the various models that have been proposed to explain how these particles are arranged within the atom.
‘Structure of Atom - Class 9 NCERT Solutions’ explains the above concept with the help of important theories such as Thomson's model of an atom, Rutherford's model of an atom, Bohr's model of an atom. Given below are questions and answers to build the student’s further understanding of the topic.
Aren’t all these theories releasing protons in your mind???
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Fun Fact: Glass is actually a liquid, it just flows very, very slowly