How Many Protons (P)and Neutrons (N)are in an Atom Of ${ } _ { 38 } ^ { 90 } \mathrm { Sr }$

question 81

Multiple Choice

How many protons (p) and neutrons (n) are in an atom of ${ } _ { 38 } ^ { 90 } \mathrm { Sr }$ ?

• A)38 p,52 n
• B)38 p,90 n
• C)52 p,38 n
• D)90 p,38 n

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Definitions:

Days' Sales

A financial metric that compares a company's average receivables to its average daily sales, indicating how fast the company collects payments from customers.

Inventory

The total quantity of goods and materials a business holds for the purpose of resale or production.

Cost of Goods Sold

The total cost of manufacturing or purchasing the products a company has sold during a specific period.

Return Ratio

A measure of the profitability or effectiveness of an investment, calculating how much returns are gained relative to the investment's cost.