ICSE /Class 9
Chemistry MCQ Based On Atomic weights and molecular weights
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ICSE Class 9 Chemistry Atomic weights and molecular weights
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Think about molecular mass!!
Think about Atomic and Molecular mass
It is equal to the sum of the atomic masses of all atoms present in one molecule of the substance.
Think About Molecular Mass!!!
The relative mass of a molecule is expressed as atomic mass units
The molecular formula of water is H2O which means that one molecule of water contain 2 atoms of hydrogen and 1 atom of oxygen.
Atoms and molecules
Molecular mass of CO2 = Molecular mass of carbon + 2 (Molecular mass of oxygen) { 2 atoms of oxygen are present)
Think about atomic mass.
weight
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