How many different kinds of protons are present in each of the following compounds? 
Definitions:
Effective Annual Interest Rate
The interest rate that is adjusted for compounding over a given period. Essentially, it reflects the total interest that will be paid or earned over a year, taking into account the effect of compounding.
Inventory Turnover Rate
A financial metric measuring how often a company's inventory is sold and replaced over a period.
Sales
The total amount of goods or services sold within a specific time frame, indicating the performance and growth of a business.
Operating Cycle
The duration from the acquisition of supplies for production to the collection of payment from the sale of goods, indicating the company's efficiency in managing its inventory and receivables.
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