JAMB Chemistry 2023 Objective — Question 29

Question 29 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2023 Objective paper, with the correct answer and a full explanation.

The radioactive emission with the least ionisation power is

A. α-particles
B. β-rays
C. γ-raysCorrect
D. X-rays

Explanation

Ionising power: α > β > γ. Alpha particles have the highest ionising power but lowest penetrating power. Gamma rays have the highest penetrating power but lowest ionising power.

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 2023 Objective More Chemistry past papers