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Write the Formula of the Following Compound: Sodium Sulphite

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प्रश्न

Write the formula of the following compound:

Sodium sulphite

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उत्तर

Sodium sulphite - Na2SO3 - `"Na"^(1+)["SO"_3]^(2-)`

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अध्याय 1: The Language Of Chemistry - Additional Questions

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विराफ जे दलाल Simplified ICSE Chemistry [English] Class 9
अध्याय 1 The Language Of Chemistry
Additional Questions | Q 12.02

संबंधित प्रश्न

What is meant by the term chemical formula?


What is meant by a chemical formula ? Write the formulae of one element and one compound.


What do the following abbreviations stand for ?

  1. O
  2. 2O
  3. O2
  4. 3O2

The element having atomicity 'four' is most likely to be :


If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.


Give the formulae of the compounds formed from the following sets of elements :

  1. calcium and fluorine
  2. hydrogen and sulphur
  3. nitrogen and hydrogen
  4. carbon and chlorine
  5. sodium and oxygen
  6. carbon and oxygen

Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?


The formula of carbonate of a metal M is M2CO3.

What will be the formula of its iodide ?   


Correct the following statement:

A molecular formula represents an element.


Correct the following statement:

Molecular formula of water is H2O2


Give the empirical formula of Glucose C6H12O.


Write the formula of the following compound:

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Write the formula of the following compound:

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Write the formula of the following compound:

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Write the formula of the following compound:

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Write the formula of the following compound:

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Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.


Play a game for writing formula.

Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.

For example:

The formula for sodium sulphate:

2 sodium ions can be fixed on one sulphate ion.

Hence, the formula will be Na2SO4.

Do it yourself:

Now, write the formula of sodium phosphate.


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