Free account: track your progress — Sign up free

Post-UTME Chemistry 2012 Objective — Question 5

Question 5 of 11 from the Post-UTME Screening (Post-UTME) Chemistry 2012 Objective paper, with the correct answer and a full explanation.

Advertisement

The atomic numbers of two elements X and Y are 12 and 9 respectively. The bond in the compound formed between the atoms of these two elements is

  • A. ionicCorrect
  • B. covalent
  • C. neutral
  • D. co-ordinate

Explanation

X (Z=12, Mg, a metal) and Y (Z=9, F, a non-metal) form an ionic bond through electron transfer. (No printed answer key for this session; answer worked out independently.)

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.