Question

4. Write the symbols of these elements.

ii. Chlorine

Answer 1

Part 1: Definition of element:

Element is defined as a pure substance that cannot be broken down into simpler substances by any chemical or physical means.

Part 2: Symbol of element chlorine:

• The symbol of an element is represented by the first letter of its name in uppercase. In some cases, the second or third letter in lowercase along with the first letter in uppercase is also written.
• In the case of chlorine, the symbol is represented by the first letter in uppercase and the third letter in lower case.
• Hence, the symbol of chlorine is $\mathrm{Cl}$.