With regard to the species 16O2-, 19F- and 20Ne, which of the following statements is correct?

With regard to the species 16O2-, 19F- and 20Ne, which of the following statements is correct?

Q. With regard to the species 16O2-, 19F– and 20Ne, which of the following statements is correct?

  1. All three species contain 10 electrons.
  2. (b)The sum of the neutrons in all three species is 27.
  3. The sum of the protons in all three species is 28.
  4. Both 19F– and 20Ne contain 20 neutrons.
  5. none of the above

Answer: All three species contain 10 electrons.

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page