Categories: Physics WAEC

An atom that emits an α-particle?

A. may become a different element.
B. becomes a different isotope of the element.
C. daughter with increased mass.
D. becomes a daughter of a different element always.

Correct Answer:

Option A – may become a different element.

Explanation

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and

thereby transforms or ‘decays’ into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.

Sunday

Share
Published by
Sunday

Recent Posts

EME 303 Theory Questions: Computer Based Information System

300 Level Use of Computer In Educational Management Practice exam questions and detailed answers. Download…

5 hours ago

EME 303 Theory Questions: Computer Classification and Information

300 Level Use of Computer In Educational Management Practice exam questions and detailed answers. Download…

5 hours ago

EME 302 Theory Questions: Operations Management Problems

300 Level Operations Management In Educational Practice exam questions and detailed answers. Download the answers in…

5 hours ago

EME 302 Theory Questions: Payback and NPV Analysis

300 Level Operations Management In Educational Practice exam questions and detailed answers. Download the answers in…

5 hours ago

EME 302 Theory Questions: Linear Programming

300 Level Operations Management In Educational Practice exam questions and detailed answers. Download the answers in…

6 hours ago

EME 302 Theory Questions: Programme Evaluation Review Technique And Critical Path Method

300 Level Operations Management In Educational Practice exam questions and detailed answers. Download the answers in…

6 hours ago