which element is placed in the same period as ruthenium but has a higher atomic number than it?\no…

which element is placed in the same period as ruthenium but has a higher atomic number than it?\no bismuth\no osmium\no silver\no zirconium
Answer
Brief Explanations:
Ruthenium (Ru) is in period 5. Bismuth is in period 6. Osmium is in period 6. Silver (Ag) is in period 5 with atomic number 47 (Ru has atomic number 44). Zirconium is in period 4. So silver is in the same period as ruthenium and has a higher atomic number.
Answer:
C. silver