What Group 6A element has 27 isotopes and is highly toxic and very radioactive?
A)sulfur
B)polonium
C)selenium
D)tellurium
E)oxygen

Question

Quizplus · Accepted Answer

Polonium (Choice B) is the only Group 6A element known to be highly toxic and very radioactive. It has 27 isotopes, with the most stable being Po-209, which has a half-life of only 103 years. The other options (A) sulfur, (C) selenium, (D) tellurium, and (E) oxygen do not fit the description of being highly toxic and very radioactive.

What Group 6A Element Has 27 Isotopes and Is Highly