If an Element Has 18 Protons and 20 Neutrons and 18

question 56

Multiple Choice

If an element has 18 protons and 20 neutrons and 18 electrons,which expression correctly identifies the element?

• A)argon-38
• B)argon-18
• C)argon-20
• D)calcium-38
• E)calcium-20

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Definitions:

Balance Sheet Approach

A method of estimating an allowance for doubtful accounts based on the accounts receivable's ending balance, helping to present a more accurate picture of a company's financial health.

Allowance for Doubtful Accounts

An estimate of the amount of accounts receivable that may not be collectible, recorded as a contra asset account.

Uncollectible Accounts

Accounts receivable that are considered to be uncollectable from debtors, leading to them being written off as a bad debt expense.

Net Credit Sales

Sales made on credit minus any returns or allowances, indicating the actual credit sales revenue generated during a period.