When an Unstable Nucleus Expels a Positron ________

question 29

Multiple Choice

When an unstable nucleus expels a positron ________.

• A) its mass number is decreased by four units
• B) its atomic number is decreased by one unit
• C) its atomic number is increased by one unit
• D) its mass number is decreased by one unit

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Definitions:

Rivalry in Consumption

A situation where the consumption of a good or service by one individual reduces its availability for consumption by others.

Public Good

Offerings of goods or services to the whole society at no expense, facilitated by either the state or private entities, not pursuing profitability.

Public Good

Products or services supplied at no cost to all members of a community, by either governmental or private providers, without the goal of making a profit.

National Defense

Governmental and military actions, activities, and strategies aimed at protecting a country and its citizens from external threats and maintaining national security.