As One Moves Across the 4th Period from Left to Right

question 28

True/False

As one moves across the 4th period from left to right, the valence electrons go into the same shell, and the atomic radius decreases. The decrease in atomic radius is due to the increase in the attraction of the nucleus for the electrons in the shells.

---

Definitions:

Fats

Macronutrients composed of fatty acids and glycerol, important for energy storage, insulation, and cell membrane function.

Benzodiazepines

A class of psychoactive drugs known to have tranquilizing effects, often used to treat anxiety, insomnia, and other disorders.

Peripheral Nervous System

A part of the nervous system outside the brain and spinal cord that connects the CNS to limbs and organs, essentially serving as a relay between the brain and spinal cord and the rest of the body.

Sense Organs

Specialized structures in the body that respond to external stimuli and send signals to the brain, including eyes, ears, nose, tongue, and skin.