The atomic number of chlorine is 17. What is the number of electrons in a chloride ion? by Sunday | May 12 | Chemistry WAEC | 0 comments A. 16 B. 17 C. 18 D. 19 Correct Answer: Option C C. 18 Users Also Read These:An element having the atomic number 17 will resemble…A metallic ion Z2+ with an inert gas structure…if an element X with atomic number 13 combines with…Chlorine consisting of two isotope of mass number 35…A hydrogen chloride gas reacted with oxygen gas to…