Q. With regard to the species 16O2-, 19F– and 20Ne, which of the following statements is correct?
- All three species contain 10 electrons.
- (b)The sum of the neutrons in all three species is 27.
- The sum of the protons in all three species is 28.
- Both 19F– and 20Ne contain 20 neutrons.
- none of the above
Answer: All three species contain 10 electrons.
