Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. FUNAAB
  4. /
  5. Chemistry
  6. /
  7. 2017/2018
  8. /
  9. Q23
Question 23

Which of the following physical properties decreases across the periodic table?

  • A.ionization potential
  • B.electron affinity
  • C.electronegativity
  • D.atomic radius
Objective

Question details

Exam body
FUNAAB
Subject
Chemistry
Year
2017/2018
Question no.
#23
Type
Objective
Previous · Q22A zero order reaction is one Next · Q24 What are the possible oxidation numbers for an element of its atomic number is…

More from this paper

  • Q192.25g of a sample of an oxide of copper on reduction gave 2.0g of copper. 2.50g…
  • Q20One mole of propane is mixed with five moles of oxygen. The mixture is ignited…
  • Q21The rate of a reaction is proportion to the number of effective collisions…
  • Q25The energy change accompanying the addition of an electron to gaseous atom is…
  • Q26The reaction between an organic acid and an alcohol in the presence of an acid…
  • Q27If 30cm 3 of oxygen diffuses through a porous pot in 7 seconds, how long will it…
See all Chemistry 2017/2018 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