The noble gases are a unique group of elements. They are recognized as unique due to the fact that they are
A. all gases at room temperature.
B. extremely stable and unreactive.
C. the most reactive member of their period.
D. named after Nobel prize winners.
Answer:B
The noble gases are a unique group of elements. They are recognized as unique due to the fact that they are
A. all gases at room temperature. B. extremely stable and unreactive. C. the most reactive member of their period. D. named after Nobel prize winners.