Free account: track your progress — Sign up free

JAMB Chemistry 2011 Objective — Question 7

Question 7 of 49 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2011 Objective paper, with the correct answer and a full explanation.

Advertisement

An isotope has atomic number of 15 and a mass number of 31. The number of protons it contains is

  • A. A. 31
  • B. B. 16
  • C. C. 15Correct
  • D. D. 46

Explanation

Atomic number = proton number = 15.

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.

Create free account
More questions from Chemistry 2011 ObjectiveMore Chemistry past papers