CBSE › Class 9 › Science › Atomic Foundations of Matter (Class 9 NCERT New)
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1. to create a chemical formal you need to know

2. When you heat matter, what happens to the atoms and molecules?

3. Atomicity is ......

4. The smallest particle of a substance is......

5. The short-hand notation of an element is called....

6. The bonding capacity of an element is called......

7. "Total mass of the products formed in chemical reaction is exactly equal to the total mass of the reactants present in it." is a .....

8. "In a compound, the elements always present in the fixed ratio of their mass." is a ....

9. Father of modern chemistry is......

10. Who proposed Law of Conservation of mass?

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