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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
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Write the formula of the following compound:
Sodium bicarbonate
Write the formula of the following compound:
Calcium bicarbonate
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Lead [II] oxide
Write the molecular formulae for the following compounds
Iron (III) sulphide
Write the molecular formulae for the following compounds
Mercury (II) chloride
