The Graph Shows the Decay Curves of Four Radioactive Elements

question 24

Multiple Choice

The graph shows the decay curves of four radioactive elements. The half-life is the same for elements

• A) 1 and 2.
• B) 3 and 4.
• C) 1 and 4.
• D) 2 and 3.
• E) 1 and 3.

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Definitions:

Internal-Unstable

Attributes related to factors within an individual that can vary, such as effort or mood, influencing their behavior or achievements.

Internal-Stable

A term related to attribution theory, indicating a belief that one's behavior or event outcome is due to personal factors that are consistent over time.

External-Unstable

Characteristics of attributions referring to causes outside oneself that are variable and can change over time.

Self-Fulfilling Prophesy

A prediction that directly or indirectly causes itself to become true, due to the positive feedback between belief and behavior.