There are four different elements along with their atomic numbers: A (9), B (11), C (19) and D (37). Find the odd element from these with respect to their positions in the periodic table?
AD
BA
CC
DB
Answer:
B. A
Read Explanation:
Elements A, B, and C belong to the s-block and D belongs to the d-block of the periodic table. Hence, D is the odd one out.