How many elements discovered in chlorine?

Answer 1

Chlorine has only one type of element and it is the element chlorine with 17 protons, 17 electrons.

Answer 2

Chlorine is a chemical element with atomic number 17, which means it has 17 protons in its nucleus. In its natural form, it has two stable isotopes, chlorine-35 and chlorine-37. These isotopes have different numbers of neutrons but the same number of protons, making them the same element.