Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Chemistry
  6. /
  7. 2016/2017
  8. /
  9. Q27
Question 27

The electronic configuration of Mg2+ is

  • A.1s22s22p63s23p2
  • B.1s22s22p63s2
  • C.1s22s22p6
  • D.1s22s22p4
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2016/2017
Question no.
#27
Type
Objective
Previous · Q26The graph below demonstrates the effect of Next · Q28 The minimum amount of energy required for a reaction to take place is

More from this paper

  • Q23Cancerous growths are Cured by exposure to
  • Q24When cathode rays are deflected onto the electrode of an electrometer, the…
  • Q25Nuclear fission involves the spitting of a heavy element into two nuclei of
  • Q29A 50.0mg supply of iodine -131, used in hospital in the treatment of…
  • Q30Radioactive changes differ from ordinary chemical changes in that radioactive…
  • Q31The addition of water to calcium oxide leads to
See all Chemistry 2016/2017 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy