Which of the following statements is/are true?

All lanthanides are radioactive.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

All actinides are radioactive.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both (A) and (B) are true.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both (A) and (B) are false.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B All actinides are radioactive.
Except promethium, all the remaining lanthanides have stable non-radioactive isotopes. Do note that all the actinides are radioactive.

Suggest Corrections