ICSE /Class 9
Chemistry MCQ Based On Valency
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ICSE Class 9 Chemistry Valency
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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.
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.
Cross-multiply symbols of radicals with their respective valency.
It is the lightest element 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.
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.
Halogens belong to group 17 of the periodic table and their general electronic configuration is ns2,np5.
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