ICSE /Class 7
Chemistry MCQ Based On Valency definition
Our free online Chemistry test quiz for Class 7, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
ICSE Class 7 Chemistry Valency definition
The valency of hydrogen is 1.
The no. of electrons O atom would gain to complete it's octet.
Atomic number of carbon is 6.
Atomic number of hydrogen is 1.
Choose the option which makes the statement true.
The atomic number of boron is 5.
The number of electrons released to complete it's octet.
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