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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
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Aluminium sulphate :
Fill in the blank
_______ is a triatomic molecule.
State the term
A group of atoms that react as a single unit ______.
What is a molecule ? Explain with an example.
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
Diagrammatically represent the transfer of electrons.
‘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.
Fill in the blank:
A molecule of an element is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Copper [II] nitrate
Define molecule.
How many atoms are present in a `PO_4^(3-)` ion?
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
5.84 × 10−3 mg
Compute the number of ions present in 5.85 g of sodium chloride
