Which of the Following Elements Exists in Allotropic Forms

question 70

Multiple Choice

Which of the following elements exists in allotropic forms?

• A) silicon
• B) germanium
• C) tin
• D) lead
• E) xenon

---

Definitions:

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.

Impulse

A sudden urge or desire to act or a brief electrical charge that travels through the nerves.

Medulla Oblongata

The lower portion of the brainstem responsible for regulating vital functions, such as heart rate, breathing, and blood pressure.

Skull

The bony structure forming the head in vertebrates, supporting the structures of the face and protecting the brain.