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What is the net charge of an ion that has 11 protons, 10 electrons, and 12 neutrons?

August 2018 NY Regents Chemistry Exam




31 What is the net charge of an ion that has 11 protons, 10 electrons, and 12 neutrons?

(1) 1+

(2) 2+

(3) 1-

(4) 2-




Solution: A proton has a charge of +1 and an electron has a charge of -1. Neutron has no charge. We have 11 protons and 10 electrons which is +11-10=+1

Answer: 1


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