RE-NEET2026Chemistry-Periodic Table
RE-NEET 2026 Chemistry Element Properties MCQ Question
Type: MCQ-fact-Easy
The correct statement is
A
Beryllium has three valence orbitals.
B
Magnesium has a maximum covalency of four.
C
Aluminium has five valence orbitals.
D
Boron has a maximum covalency of four.
Correct Answer
Option B
Detailed Explanation
Magnesium can expand its covalency to four by using its d orbitals.
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