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10A molecule is the smallest particle of a compound.
A water molecule consists of two oxygen atoms and one hydrogen atom.
Molecular formula represents the group of symbols of atoms in a molecule.
Sodium chloride molecule is formed by combination of sodium and chlorine.
Magnesium bicarbonate is represented as Mg(HCO₃)₂.
Carbon dioxide molecule is formed by two carbon atoms and one oxygen atom.
Criss-cross method is used to write molecular formulas of compounds.
The valency of an element is written above its symbol while using the criss-cross method.
If the valency of an element is 1, it is necessary to write it in the formula.
Brackets () are used when an ion is formed by two or more atoms.
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Which of the following is the molecular formula of magnesium bicarbonate?
Which of the following is the molecular formula of sodium chloride?
Which of the following is magnesium bicarbonate?
Which method is used to write molecular formulas?
Carbon tetrachloride is represented as:
Which of the following is the molecular formula of calcium chloride?
Ammonium sulphate is represented as:
How many hydrogen atoms are present in water molecule?
Brackets () are used in molecular formulas when:
The criss-cross method involves:
The smallest particle of a compound is called ______.
Molecular formula represents ______ in a molecule.
Water molecule consists of ______ hydrogen and one oxygen atoms.
Sodium chloride is represented by ______.
Magnesium ______ is represented by Mg(HCO₃)₂.
Criss-cross method is used to write ______ formulas.
In criss-cross method, valency is written ______ the symbol.
If valency is 1, it is ______ necessary to write.
Brackets () are used for ions formed by ______ or more atoms.
Molecular formula shows ______ of atoms in molecule.