Question

CHEMICAL SYMBOLS
As mentioned earlier, a chemical symbol is an abbreviation used to denote an element. It
is usually derived from the name of the element. Earlier, the representation was done using
pictorial symbols. The modern system of representing an element using letters of the English
alphabet was devised by Berzelius.
The features of this modern system are:
In some cases, the first letter of the name of the element is usually used in capitals) to
represent it. For example, H for hydrogen, O for oxygen, and N for nitrogen.
The name of two or more elements may start with the same letter. For such elements, two-
letter symbols are used. For example, Al for aluminium and Ar for argon,
Symbols of some elements are derived from their Latin names. The Latin name of mercury is
hydrargyrum, and its symbol is 'Hg. The names of some common elements and their symbols are
given in Table 4.2.​

Answer 1

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A chemical symbol is a shorthand way to represent an element and that each element on the periodic table has a unique chemical symbol. Chemical symbols are used to standardize the 'language of chemistry' and to identify elements and atoms in a chemical formula easily.

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