Which of the Following Elements Has at Least One Stable

question 152

Multiple Choice

Which of the following elements has at least one stable isotope? (Hint: Refer to the Periodic Table. )

• A)Ra
• B)Rf
• C)Rh
• D)Rn
• E)none of the above

---

Definitions:

X-Linked Recessive Genes

Genes located on the X chromosome that often manifest in males due to the lack of a corresponding gene on the Y chromosome.

Environmental Changes

Alterations in the external surroundings that can impact ecosystems, human societies, and the global climate.

Temperament

The aspect of an individual's personality that is believed to be biologically based and relatively stable throughout life, influencing behaviors and ways of reacting to the environment.

Perceptual Information

Information processed by the brain that comes from one's senses, influencing perception of the environment.