Which of the following elements would you expect most likely to be a central atom with an expanded valence shell?
A)Ne
B)P
C)N
D)C
E)B

Question

Quizplus · Accepted Answer

Phosphorus (P) is the most likely element to be a central atom with an expanded valence shell. This is because elements in the third row and beyond can have more than eight valence electrons due to the availability of empty d orbitals in their valence shell, thus allowing them to accommodate more electrons than elements in the second row (such as N, C, and B).

Which of the Following Elements Would You Expect Most Likely