Approximately How Many Stable Isotopes Have Been Identified

question 133

Multiple Choice

Approximately how many stable isotopes have been identified?

• A) 92
• B) 118
• C) 264
• D) more than 300

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Definitions:

National Unions

Unions that operate across an entire country, representing a broad base of members from various sectors and industries within that nation.

Early 1900's

A historical period characterized by significant industrialization, social change, and the genesis of modern labor movements and unions.

U.S.

A country in North America, officially known as the United States of America, characterized by a federal republic governance structure.

Militant Union

A labor union known for its aggressive strategies and actions, such as strikes and protests, to assert workers' rights and demands.