Rutherford's Experiment,in Which Alpha Particles Were Aimed at a Thin

question 41

Multiple Choice

Rutherford's experiment,in which alpha particles were aimed at a thin piece of gold,led to what understanding?

• A)Neutrons existed.
• B)Electrons existed and have a negative charge.
• C)The number of electrons can be determined by the mass number and atomic number.
• D)Electrons can be promoted to higher energy by absorbing energy.
• E)An atom is mostly empty space.

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Definitions:

Long-Run

A period of time in which all factors of production and costs are variable, allowing for complete adjustment to change.

Market Entry

The process by which a company or business begins to participate in a new market, facing existing competitors and regulations.

Normal Return

The minimum profit necessary for a company to remain viable in its industry, often considered the opportunity cost of capital.

Own Capital

The value of the assets owned by a company or individual that are used in the production process or for investment purposes.