ICSE /Class 7
Chemistry MCQ Based On Valency definition
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ICSE Class 7 Chemistry Valency definition
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The valency of hydrogen is 1.
Atomic number of chlorine is 17.
The atomic number of magnesium is 12.
Choose the option which makes the statement true.
The number of electrons released to complete it's octet.
Recall the valency chart.
The atomic number of sodium is 11.
Atomic number of carbon is 6.
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