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प्रश्न
Give the qualitative and quantitative meaning of the term ‘symbol’.
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उत्तर
Qualitative meaning: C is the symbol of an atom of the element carbon
S is the symbol of the atom of element sulphur.
This means symbols stand for a specific element.
No two elements can have the same symbol.
Quantitative meaning: A symbol also represents the quantity of the element i.e. atomic mass of the element. Symbol C represents 12 g of carbon. In other words how many times that element is heavier than `1/12` th C12
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संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
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.
Helium by ‘He’
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
Give the symbol of the following element:
Phosphorus
State the type of element for the following:
Calcium
Give the symbol of the following element:
Nitrate
Write the chemical formula of the following:
calcium carbonate
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Iodide
What does the symbol '(g)' present in a chemical equation, mean?
Symbol of mercury is
