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प्रश्न
What is a molecule ? Explain with an example.
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उत्तर
Molecule is the smallest particle of a substance (element or compound), which has the properties of that substance. It can exist in a free state.
Example: Oxygen atoms combine and exist in the form of O3 molecules. Solid sulphur has eight sulphur atoms joined together, and exists in the form of S8 molecule.
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संबंधित प्रश्न
Write the molecular formulae of Aluminium sulphate :
The valency of sodium is one, write the molecular formula for sodium carbonate ?
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
What is the number of electrons after the transfer of electrons in magnesium and sulphur atoms.
State the correct formula of the following from the option given:
Sodium bisulphite
State the correct formula of the following from the option given:
Copper [II] nitrate
Express each of the following in kilograms
5.873×10−21g
______ can be formed by the same or different kinds of atoms.
A molecule containing three atoms is called a ______ molecule.
