The Elements of Group 5A,the Nitrogen Family,form Compounds with Hydrogen

question 40

Multiple Choice

The elements of group 5A,the nitrogen family,form compounds with hydrogen having the boiling points listed below:

SbH₃ -17°C,AsH₃ -55°C,PH₃ -87°C,NH₃ -33°C.

The first three compounds illustrate a trend where the boiling point decreases as the mass decreases; however,ammonia (NH₃) does not follow the trend because of ___.

• A) dipole-dipole attraction
• B) metallic bonding
• C) hydrogen bonding
• D) London dispersion forces
• E) ionic bonding

---

Definitions:

Pituitary Gland

A pea-sized gland located at the base of the brain, critical for regulating vital body functions and general well-being through the secretion of hormones.

Hormones

Chemical messengers secreted by endocrine glands that regulate various functions in the body, including growth, metabolism, and mood.

Gonads

The reproductive organs in animals and humans that produce gametes; for males, these are the testes, and for females, the ovaries.

Perceptions

The process by which individuals interpret sensory information, leading to a unique understanding and view of the world around them.