An ion has 17 protons, 20 neutrons, and 18 electrons. The symbol for the ion is ________. A) (³⁷Cl^-) B) (³⁷Cl⁺) C) (³⁸S⁺) D) (³⁸S^-) E) (³⁷S²⁺)

Question

Quizplus · Accepted Answer

The ion has 17 protons, which corresponds to chlorine (Cl). With 20 neutrons, the mass number is 37. Having 18 electrons means it has gained one electron, giving it a -1 charge. Hence, the symbol is ³⁷Cl^-.

An Ion Has 17 Protons, 20 Neutrons, and 18 Electrons