Examlex
The magnitude of the orbital angular momentum L of an electron in a certain atom is equal to 3.464ħ.Which one of the following numbers could be the principal quantum number n of the electron?
Create
To bring something into existence; to generate or produce an idea, product, or solution.
Razor-And-Razor-Blade
A business model where a company sells a durable product at a low price (razor) and then sells consumable products that are needed to use the initial product (razor blades) at a higher margin.
Printer-And-Ink
A common business model in the printing industry where printers are sold at a low cost and the recurring revenue is generated through the sales of ink cartridges.
Ubiquitous
Present, appearing, or found everywhere; often used to describe technology or phenomena that are widespread and common in daily life.
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