the atomic number of chlorine is 17and mass number is35.(a)what would be the electronic configuration of a negatively charged chloride ion?(b) what would be the atomic number and mass number of chlorine?(c)calcute the valency of charged chloride ion
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a) it's negatively charge because it is mono atomic ions and the electronic configuration is (2,8,6) b)the atomic number is 15 and other I don't know
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