Question

class9 atoms and molecules
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Answer 1

Hey mate,

1. Why is it correct to say that , " Atoms are Indivisible Particles?

Ans :- It is incorrect to say that atoms are indivisible particles because later on it was discovered that atoms can be further divided. It contains some fundamental sub-atomic particles which are electrons, protons, and neutrons. Even neutrons and protons are subdivided into different types.

Hope it helps...

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Answer 2

Answer:

2.The atoms of only a few elements called noble gases (Such as helium, neon, argon and kryton, etc.) are chemically unreactive and exist in the free state or independently. Atoms of most of the elements are chemically very reactive and do not exist in the free state or independently.