ICSE /Class 9
Chemistry MCQ Based On Atomic weights and molecular weights
Our free online Chemistry test quiz for Class 9, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
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ICSE Class 9 Chemistry Atomic weights and molecular weights
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The relative mass of a molecule is expressed as atomic mass units
weight
Atoms and molecules
Think about Atomic and Molecular mass
Think about atomic mass!!!
The molecular formula of water is H2O which means that one molecule of water contain 2 atoms of hydrogen and 1 atom of oxygen.
Think about molecular mass!!
Think about atomic mass.
Molecular mass of CO2 = Molecular mass of carbon + 2 (Molecular mass of oxygen) { 2 atoms of oxygen are present)
calculate atomic weight first
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