Chemistry · Periodic Table
Identify the correct order of atomic numbers if A, B, C, D, and E represent the atomic numbers of elements in rows 1 to 4 of Groups 15, 16, and 17 of the periodic table as specified in the grid below: Period / Group Group 15 Group 16 Group 17 Row 1 A C - Row 2 - - - Row 3 - - E Row 4 B D -
- 1D > B > E > C > A✓
- 2A > B > C > D > E
- 3E > B > D > A > C
- 4B > D > E > A > C
Correct answer
D > B > E > C > A
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