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.
ICSE Class 9 Chemistry Valency
It is the lightest element in the periodic table.
It is the first in the noble gas group in the periodic table.
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.
Cross-multiply symbols of radicals with their respective valency.
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