How many electrons are present in the ion of the isotope of oxygen, ¹⁸O³⁻ if oxygen has an atomic number of 8?
A) 18
B) 5
C) 8
D) 11

Name: How many electrons are present in the ion of the isotope of oxygen, ¹⁸O³⁻ if oxygen has an atomic number of 8? A) 18 B) 5 C) 8 D) 11
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Question

Quizplus · Accepted Answer

The ion of the isotope ¹⁸O³⁻ has 11 electrons. Oxygen's atomic number is 8, meaning it normally has 8 electrons. However, as a ³⁻ ion, it has gained 3 additional electrons, making the total 11.

How Many Electrons Are Present in the Ion of the Isotope