In 1911 Ernest Rutherford Did a Famous Experiment Using Fast-Moving

question 16

Multiple Choice

In 1911 Ernest Rutherford did a famous experiment using fast-moving alpha particles as bullets and very thin gold foil as a target. The results of this experiment showed that:

• A) the negative and positive charges were all spread out throughout the volume of each atom
• B) that the absorption spectrum of gold atoms had more lines than scientists could explain
• C) that alpha particles were neutral (demonstrating the existence of neutrons)
• D) that the nucleus of an atom was tiny compared to the size of the whole atom
• E) it was far better to use cheaper materials than gold for physics experiments

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Definitions:

Desired Outcomes

The specific results or consequences that an individual or group aims to achieve through their actions or decisions.

Representativeness Heuristic

A mental shortcut that involves judging the probability or frequency of an event by how much the event resembles the typical case.

Statistical Reasoning

The process of using statistical techniques and methods to analyze data and make conclusions based on data analysis.

Deliberate System

A cognitive process characterized by the slow, logical, and conscious evaluation of information, contrasting with automatic, quick, and unconscious processing.