ICSE /Class 9
Chemistry MCQ Based On Contributors to periodic law old
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 Contributors to periodic law old
Atomic number 17
When moving down the group the atomic radius increases while moving from right to left in a period, the atomic radius decreases.
Mg is smaller in size.
Atomic number 37
Organic compounds containing the structure -O-O-
Atomic Number 3
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