NEET levelSingle correct optionDifficulty 1 of 3df173
Which of the following is true of every actinoid element?
AIt has a stable, non-radioactive isotope
BIt is radioactive
CIt is non-metallic
DIt shows only the +3 oxidation state
Answer: B
All actinoids are radioactive, with no stable isotope; many are artificially produced. They are metals and show variable oxidation states, particularly in the early members.