Exam 3: CHEM 120 CHEM120

Exam 3: CHEM 120 / CHEM120

( Update 2025 / 2026) Intro to General, Organic & Biological Chemistry with Lab Review Questions and Answers - Chamberlain

Question:

Effects of alpha decay

Answer:

mass number decreases by 4, atomic number decreases by 2

Question:

Effects of beta decay

Answer:

Mass number stays the same, atomic number increases by 1

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Question:

Effects of Positron emission

Answer:

Mass number stays the same, atomic number decreases by 1.

Question:

Effects of electron capture

Answer:

Mass number stays the same, atomic number decreases by one. e-

Question:

Effects of gamma decay

Answer:

Mass number stays the same, atomic number stays the same

Question:

Uses of alpha radiation

Answer:

smoke detectors

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