Question Detail

PHY 104 Atomic Structures Objective Question
Take CBT

Question

How is radioactivity defined in the text?
Options
A The emission of invisible radiation by certain uranium salts.
B The spontaneous disintegration of unstable atomic nuclei to form more energetically stable nuclei.
Correct Answer
C The transformation of atoms from one form to another during a chemical reaction.
D The process where electrons jump to higher energy levels by absorbing energy.
Correct Answer

Option B is the correct answer.

Detailed Explanation

On page 12, radioactivity is defined as "the spontaneous disintegration of unstable atomic nuclei to form more energetically stable atomic nuclei."

Hint

Look for the formal definition provided after the historical context.

Question Info

Course: PHY 104
Topic: Atomic Structures
Type: Objective
Difficulty: Not specified
Question 172 of 947
Previous Course Details Next