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CBSE /Class 9
Science MCQ Based On Structure of the atom isotopes
Our free online Science test quiz for Class 9, CBSE will assist you to improve your Science skills on every concept in a fun interactive way.
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CBSE Class 9 Science Structure of the atom isotopes
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1 mole quantity of any subtance contains a fixed number of atoms.
What is the relation between atomic mass and nucleons?
What is the total number of electrons in a Magnesium atom?
Hint Not Available
Hint Not Available
What is the relation between atomic mass and nucleons?
Which the closest shell to the nucleus and whats the formula for finding out the number of electrons in a shell
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