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प्रश्न
State what a chemical formula denotes.
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उत्तर
Chemical formula denotes the number of atoms of each element present in a compound.
संबंधित प्रश्न
Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :
What do the following symbol stand for?
H
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Give the symbol of the following element:
Sulphate
Give the formula of the following acid:
Nitric
Give the formula of the following acid:
Carbonic
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Iodide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Sulphite
Give the qualitative and quantitative meaning of the term ‘symbol’.
Which of the following would weigh the highest?
