If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Structure of the Atom — quick quiz

5 real NSEJS questions on Structure of the Atom. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 1

HARD

An element X has electronic configuration 2, 8, 7. When it forms an ion, how many electrons will be present in the outermost shell of the ion?