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प्रश्न
What do you understand by chemical formula of a compound? What is its significance?
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उत्तर
- A chemical formula is a symbolic representation of one molecule of an element or a compound.
- It provides information about the elements present in the molecule and the number of atoms of each element. The chemical formula tells us the types of atoms and the number of each type of atom in one molecule of substance.
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संबंधित प्रश्न
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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:
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Hence, the formula will be Na2SO4.
Do it yourself:
Now, write the formula of sodium phosphate.
