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प्रश्न
State whether the following statement is true or false:
The symbol of element cobalt is CO.
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उत्तर
False. The symbol for the element Cobalt is Co, as the second letter of the symbol of an element has to be in the lower case.
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Give two examples of the following :
Solid + Solid mixture
What is the significance of the symbol of an element ? Explain with the help of an example.
The English name of an element is potassium, its Latin name will be :
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
Give the symbol of the following element:
Chlorine [chloride]
State the type of element for the following:
Carbon
Write the radical of the following valency:
Chlorine [Chloride]
Write the radical of the following valency:
Iodine
The chemical symbol for sodium is
