Question

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Answer 1

Think and Answer

1. Yes, Because all atoms of an element are identical.
2. Properties of atoms depend upon atomic number. During reaction, the number of elements changes while proteins donot.For example:-a piece of iron is broken down,it's smaller piece will retain the property of iron.
3. Because Ozone molecule contain three atoms.
4. Sodium is monovalent it donates only one election to form compounds.

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