Juice WRLD 999 ,........................
Answer:
False
Explanation:
All the lanthanides are not radioactive in nature. Just one of the lanthanides are radioactive.
- The lanthanides belong to the f-block on the periodic table
- Only Promethium in this group are radioactive in nature.
- Other elements in the lanthanide series might have radioactive isotopes.
Kinetic energy is proportional to the square of the speed. So when anything or anybody speeds up, its kinetic energy increases.
