


ICSE /Class 9
Chemistry MCQ Based On Valency
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 Valency
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It is the lightest element in the periodic table.
It is the first in the noble gas group in the periodic table.
Valency of an atom is the number of electrons in the outermost shell or valency is the number of eight minus the number of electrons in the outermost shell.
Valency of an atom is the number of electrons in the outermost shell or valency is the number of eight minus the number of electrons in the outermost shell.
It is a relatively rare element in the universe.
Halogens belong to group 17 of the periodic table and their general electronic configuration is ns2,np5.
It differs along with the shells.
Valency of an atom is the number of electrons in the outermost shell or valency is the number of eight minus the number of electrons in the outermost shell.
Cross-multiply symbols of radicals with their respective valency.
Valency of an atom is the number of electrons in the outermost shell or valency is the number of eight minus the number of electrons in the outermost shell.

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