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प्रश्न
What is meant by the symbol of an element ? Explain with examples.
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उत्तर
The symbol of an element is either the first letter or the first and another letter of the English or Latin name of the element.
For example: Oxygen is represented by the symbol O. Similarly Iron, whose Latin name is Ferrum, is represented by the symbol Fe.
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संबंधित प्रश्न
Explain the difference between 2N and N2.
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
What is the difference between 2H and H2 ?
Write the formula of the following compound:
Potassium zincate
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium dichromate
Write the formula of the following compound:
Calcium hydroxide
Write the formula of the following compound:
Zinc oxide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Ca2(PO4)3
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
- Ammonia
- Carbon monoxide
- (Hydrogen chloride
- Aluminium fluoride
- Magnesium sulphide
