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प्रश्न
Name three metals whose symbols are derived from the first letter of the name of the element.
उत्तर
Elements whose symbols are derived from the first letter of the name of the element:
- Carbon - C
- Sulphur - S
- Oxygen - O
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संबंधित प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
Give two examples of the following:
Liquid + Liquid mixture:
State which element exists in the highest percentage in atmosphere.
Write the radical of the following valency:
Nitrate
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitric oxide
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
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).
Sulphide
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).
Zincate
