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:

Standard Cost

A predetermined cost of manufacturing, selling, or any other business activity, used for budgeting and performance evaluation.

Actual Cost

The actual expense incurred to acquire an asset or service, including all amounts spent to bring the item to a usable condition and location.

Fixed Factory Overhead Volume Variances

The difference between budgeted and actual fixed overhead costs, attributed to variations in production volume.

Normal Capacity

The average production or operating levels that a company can sustain under normal circumstances over a period.