Doubly-Ionized Lithium Is a Hydrogen-Like Ion,in Which the Nucleus with Charge

question 31

Multiple Choice

Doubly-ionized lithium is a hydrogen-like ion,in which the nucleus with charge 3e is orbited by a single electron.What wavelength light would be emitted from Li⁺⁺ as the electron dropped from the n = 4 to the n = 3 orbit?

• A) 16.9 µm
• B) 1.88 µm
• C) 470 nm
• D) 208 nm

---

Definitions:

Epigenetic Research

The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.

Antisocial Behavior

Actions that harm or lack consideration for the well-being of others, often violating social norms and laws.

Gene Expression

The process by which the genetic instructions are used to synthesize gene products (such as proteins), influencing cell function and structure.

Environmental Factors

External elements, including physical, social, and cultural influences, that can affect an individual's health and behavior.