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प्रश्न
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
उत्तर
As the name calcium and copper start with same letter of English alphabet ‘C’ so another letter from the name of the element is added to ‘C’.
Hence symbol of calcium is ‘Ca’ and symbol of copper or cuprum (Latin name of copper) is ‘Cu’.
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संबंधित प्रश्न
The anion of an element has :
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
State the type of element for the following:
Carbon
State the type of element for the following:
Zinc
State the type of element for the following:
Arsenic
Write the radical of the following valency:
Aluminium
Give the formula of the following acid:
Nitric
Give the formula of the following gas:
Nitrogen dioxide
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
