CBSE /Class 9
Science MCQ Based On Atom and molecules molecules
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CBSE Class 9 Science Atom and molecules molecules
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Valency is the charge on ions forming the compound which have either lost or gained electrons.
1 mole of NaOH consists of 6.022 x 10 (23) ions of sodium and a same number of ions of hydroxide as well.
What is the molecular mass of 1 mole of CO2?
Hint Not Available
Compounds are formed by the combination of two or more different types of elements
Polyatomic means having more than 1 valency
Compounds are formed by the combination of two or more different types of elements
Polyatomic means having more than 1 valency
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