Post-UTME Chemistry 2008 Objective — Question 2
Question 2 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following pairs of particles each have the same number of electrons? [Ar=18]
- A. Li+ and F-
- B. Na+ and F-Correct
- C. Na+ and Cl-
- D. K+ and Cl-
Explanation
Na+ has 10 electrons; F- has 10 electrons - matching.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.