Question

An isotope has 17 protons, 18 electrons and 20 neutrons. What is the charge for this ion?Group of answer choices1-2-3+2+1+

Answer 1

The charge for this ion is 1-.

Step-by-step explanation:

Since the isotope has 18 electrons and 17 protons, the charge for this ion is 1-, because it has 1 electron more that the number of protons.