A Neutral Hydrogen Atom Consists of a Proton and an Electron

question 61

Multiple Choice

A neutral hydrogen atom consists of a proton and an electron. The energy of the atom is

• A) the same regardless of the relative spin orientations of the two particles.
• B) highest when the proton spin and the electron spin are perpendicular to each other.
• C) highest when the proton spin and the electron spin directions are parallel.
• D) highest when the proton spin and the electron spin directions are antiparallel.

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Definitions:

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the profit earned on the investment by the cost of the investment.

Minimum Rate

The lowest acceptable or allowable rate, often referring to wages, interest rates, or other financial variables.

Annual Margin

The amount of profit a company generates over a year after all expenses have been subtracted from revenues.

Investment Center

A business unit or segment within a larger corporation that is responsible for its own revenue, expenses, and investments, often evaluated on its return on investment.