Although the Periodic Table Is Organized According to the Atomic

question 99

Multiple Choice

Although the periodic table is organized according to the atomic numbers of the elements, chemists are more interested in the arrangement of the electrons for their studies. Which of the following statements about the electron configurations and their quantum numbers is correct?

• A)The size of an atom is associated with the angular momentum quantum number.
• B)The valence electrons of atoms in a particular group have the same principal and angular momentum quantum numbers.
• C)The valence electrons of atoms in a particular group have the same angular momentum quantum number but have different principal quantum numbers.
• D)Quantum numbers for the electrons tell us little about the relative energies of the electrons.
• E)None of these choices are correct.

---

Definitions:

Autonomic Nervous System (ANS)

A component of the peripheral nervous system that controls bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

Illness

A condition of poor health perceived or experienced by an individual as an invasion, disorder, or loss of function in one's body or mind.

Daily Activities

Routine actions or behaviors individuals engage in on a day-to-day basis, including eating, working, and sleeping.

Motor Output

The final pathway through which the brain sends signals to muscles to produce movement.