alleryStart learning →What is the half life of astatine, the last halogen?
A8.1 days
B81 minutes
C8.1 hours
D13.8 days
Answer & Solution
Correct answer: C. 8.1 hours
Astatine is radioactive and its half life is only 8.1 hours.
Keep practising Elements of Groups 16, 17 and 18
Browse all Elements of Groups 16, 17 and 18 questions for MHT-CET, or explore more Chemistry topics.
Related questions
Why are halogens never found free in nature?What percentage by mass of the earth's crust is sulfur?Which interhalogen in glacial acetic acid is Wijs solution?In an interhalogen compound XX'n, which atom is X?Hydrochloric acid reacting with ammonia gives what visible product?Moist HCl gas can be dried by passing it through what?Aqua regia is a mixture of conc. HCl and conc. HNO3 in what ratio?Who first prepared hydrogen chloride by heating salt with conc. sulfuric acid in 1648?