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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
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Define: Compounds
What do the following symbol stand for?
H2
State the type of element for the following:
Sodium
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the radical of the following valency:
Zinc
Write the radical of the following valency:
Potassium
Write the chemical formula of the following:
calcium carbonate
Give the formula of the following gas:
Nitrogen dioxide
The name copper was taken from ______.
