(30 pts)why do scientists need shorthand ways of writing elements and compounds?

Answer;

-Because using letters was the easiest way to represent the elements. Also the use of chemical symbols is to allow them to  write chemical formulas easily.

Explanation;

-A chemical symbol is a shorthand method of representing an element. Instead of writing out the name of an element, we represent an element name with one or two letters. As you know, the periodic table is a chemist's easy reference guide.

-Chemical symbols are usually one or two letters long, but sometimes three letters are used. Every chemical symbol starts with a capital letter, with the second or third letters written in lower case.

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because the light is a great source of energy for the plants to survive. (i hope this )