# Why we use Element Symbol in science? Are element symbols are important when we right reactions?

A symbol is a shorthand method of naming elements so that it is convenient to write equations. Example: oxygen is written as O.

The main reasons are :

1. It was developed because using letters was the easiest way to represent the elements.

2. We use chemical symbols is to allow us to write chemical formulas easily.

A Chemical formula is a symbolic representation of a molecule’s composition.

It indicates the elements that are present in the compound and the ratio of these elements in the compound.

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