Science, asked by anitamarneanita7036, 1 month ago

12. (i) Explain atomic mass unit
(ii) How many atoms are present in MnO2, molecule?

Answers

Answered by poojadass9999

1

Explanation:

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

2) 3 atoms

MnO2 : One atom of Manganese , Two atoms of Oxygen , so 3 atoms in total

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