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When a radioactive substance undergoes a beta decay, its
Classroom
Physics Classroom
Waec
Waec 2008
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When a radioactive substance undergoes a beta decay, its
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Mass number decreases by 1
B
Atomic number decreases by 1
C
Mass number increases by 1
D
Atomic number increases by 1
Show Answer
Show Explanation
Correct Answer:
Option D
Explanation:
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