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प्रश्न
What is meant by the symbol of an element ? Explain with examples.
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
What is meant by the term chemical formula?
Write the chemical formula of the Magnesium chloride.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Correct the following statement:
Molecular formula of water is H2O2
Write the formula of the following compound:
Calcium hydroxide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
BaCl2
Write the chemical formula for the following elements.
- Hydrogen
- Nitrogen
- Ozone
- Sulphur
Write the molecular formulae for the following compounds
Magnesium (II) acetate
