If the Radius of the Electron Orbit in the N

question 43

Multiple Choice

If the radius of the electron orbit in the n = 1 level of the hydrogen atoms is 0.052 9 nm,what is its radius for the n = 4 level? (Assume the Bohr model is valid) .

• A)0.212 nm
• B)0.045 nm
• C)0.716 nm
• D)0.846 nm
• E)​0.920 nm

---

Definitions:

Inventories

Assets held for sale in the ordinary course of business, or in the process of production for such sale, or in the form of materials to be consumed in the production process.

Basic Earning Power

A measure of a firm's profitability and efficiency, calculated as earnings before interest and taxes divided by total assets.

Debt Ratio

The ratio of total debt to total assets, it measures the percentage of funds provided by investors other than preferred or common shareholders. Also called debt-to-assets ratio.

ROE

Return on Equity; a measure of the profitability of a business in relation to the equity.