The Energy of the First Level in an Atom Is

question 23

Multiple Choice

The energy of the first level in an atom is 2.2×10⁻¹⁸ J,and the energy of the second energy level is 1.6×10⁻¹⁸ J.What is the energy of the photon that is emitted if an electron moves from the second level to the first?

• A)3.5×10⁻³⁶ J
• B)6.0×10⁻¹⁹ J
• C)3.5×10⁻¹⁸ J
• D)6.0 ×10⁻¹⁸ J

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Definitions:

Irrational

Describes a decision maker who chooses an option that leaves him or her worse off than choosing another available option.

Rational Decision

A decision-making process that is based on making choices that result in the optimal level of benefit or utility for the individual.

Economic Payoff

The return or financial gain from an investment or decision in the context of economics.

Sunk Costs

Costs that have already been incurred and cannot be recovered or refunded.