Using the Periodic Table, Predict the Charge on the Common

question 7

Multiple Choice

Using the periodic table, predict the charge on the common ion of selenium.

• A)+1
• B)+2
• C)−1
• D)−2

---

Definitions:

Hypoglossal

Pertaining to the twelfth cranial nerve, which controls the muscles of the tongue and is essential for swallowing and speech.

Tongue Muscle

Muscles within the tongue that allow for its movements necessary for speech, food manipulation, and swallowing.

Brachial Plexus

A network of nerve fibers, running from the spine, formed by the ventral rami of the lower four cervical nerves and the first thoracic nerve that supplies the arm and hand.

Median Nerve

A major nerve in the human body extending down the arm, through the carpal tunnel in the wrist, to the hand, responsible for sensation and movement.