State the rules that are followed while deriving the chemical symbols of various elements.

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Solution

For many elements, the symbol seems to have been derived from the English name.
Example: Oxygen is "O"

Other symbols are derived from the Latin name of the element.
Example: “Ferrum” is Latin for iron, the symbol is "Fe"

1. The first letter should be in upper case.
Example:
N - Nitrogen
C - Carbon
2. If an element has a two-letter symbol, the first letter should be written in the upper case and the second letter in the lower case.
Example:
Mg - Magnesium
Cu - copper

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