Question Detail

CHM 101 Quantum Theory and Atomic Structure Objective Question

Question

Which elements are classified as representative elements (main group elements)?
Options
A Elements with partially filled d or f subshells
B Elements for which all inner subshells are fully occupied and outer s and p subshells are filling
Correct Answer
C Elements that form colored ions
D Elements that are always gaseous at room temperature
Correct Answer

Option B is the correct answer.

Detailed Explanation

Representative elements (main group elements) are those for which all inner subshells are completely filled and electrons are being added to the outermost s and p subshells. These include s-block and p-block elements.

Hint

Consider which blocks of the periodic table constitute the main group elements.

Question Info