72/86
Question: Hf
Answer: Hafnium
Question: Ta
Answer: Tantalum
Question: W
Answer: Tungsten
Question: Re
Answer: Rhenium
Question: Os
Answer: Osmium
Question: Hf
Answer: Hafnium
Question: Ta
Answer: Tantalum
Question: W
Answer: Tungsten
Question: Re
Answer: Rhenium
Question: Os
Answer: Osmium