An Electron in an Atom Drops from an Energy Level

question 15

Multiple Choice

An electron in an atom drops from an energy level at -1.1 * 10^-18 J to an energy level at -2.4 * 10^-18 J. The wave associated with the emitted photon has a frequency of:

• A) 2.0* 10¹⁷ Hz
• B) 2.0 * 10¹⁵ Hz
• C) 2.0 *10¹³ Hz
• D) 2.0 * 10¹¹ Hz
• E) 2.0 * 10⁹ Hz

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Definitions:

Softball Equipment

The gear and accessories required for playing softball, such as bats, gloves, balls, and protective gear.

Net Accounts Receivable

The amount of money owed to a company by its customers for goods or services provided, after accounting for any allowances for doubtful accounts.

Allowance Method

An accounting technique used to estimate bad debts and adjust accounts receivable to reflect only receivables expected to be collected.

Uncollectible Account

A receivable that a company has deemed unlikely ever to be collected and is therefore written off as a bad debt expense.