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प्रश्न
Give the chemical formula of carbonic acid
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{H2CO3}\]
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संबंधित प्रश्न
Fill in the blank:
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State the modern periodic law.
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| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
In the modern periodic table, elements are arranged according to their ______
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Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
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