1. Define: Relative atomic mass.
2. Write the different types of isotopes of
oxygen and its percentage abundance.
3. Define: Atomicity
4. Give any two examples for heterodiatomic
molecules.
5. What is Molar volume of a gas?
6. Find the percentage of nitrogen in ammonia.
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the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12.
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