Science, asked by Aquibkhanaquib, 7 months ago

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Short answer questions
2. Define atomic mass Unit. Explain why we use carbon-12 as reference/standard?
Bobb
13. What is chemical formula Explain formation of hydrogen chloride, sulfuric acid, hydrogen
oxide, ammonium sulphate by criss-cross method.
Mobiu​

Answers

Answered by Himanidaga
16

Answer:

12.a unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

Carbon-12 is chosen as a reference standard for atomic and molecular masses since the atomic mass of Carbon-12 is exactly 12.000 , which, if you divide by 12, gives you exactly 1.000 Hydrogen, on the other hand, has an atomic mass slightly larger than 1.000.

Answered by sumaiyaanjum479
0

Answer:

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