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प्रश्न
Give the symbol of the following element:
Mercury
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उत्तर
| Name | Symbol |
| Mercury | Hg |
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संबंधित प्रश्न
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Give two examples of the following:
Solid + Liquid mixture
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
Give the symbol of the following element:
Zinc
Write the radical of the following valency:
Aluminium
Write the chemical formula of the following:
aluminium chloride
Give the formula of the following gas:
Nitric oxide
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
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
How many elements are known at present?
