A chlorine atom that has 17 protons and 18 neutrons is called Chlorine-35.
The atomic number of chlorine-35 is 17. It is equal to the number of protons.
Chlorine-35 is the most stable form of chlorine that contains 17 protons and 18 neutrons. An atom of Chlorine-37 contains 17 protons and 20 neutrons.
Substituting or eliminating a neutron from an atom's nucleus creates isotopes of a particular element.
Therefore, A chlorine atom that has 17 protons and 18 neutrons is called Chlorine-35.
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