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प्रश्न
The valency of sodium is one, write the molecular formula for sodium sulphate ?
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उत्तर
sodium sulphate : Na2S04
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संबंधित प्रश्न
What does 2H2S represent ?
Write the molecular formulae of Hydrogen chloride :
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Nitric acide :
Write the molecular formulae of Aluminium sulphate :
The valency of sodium is one, write the molecular formula for sodium oxide ?
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)
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
Explain the term ‘atomicity’.
State the correct formula of the following from the option given:
Sodium bisulphite
State the correct formula of the following from the option given:
Ammonium sulphate
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Define molecule.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
Express each of the following in kilograms
5.873×10−21g
______ can be formed by the same or different kinds of atoms.
