How do you spell Radioactive?
Correct spelling
radioactive
Remember: RADIO waves are ACTIVE - radio + active = radioactive
Why is radioactive spelled this way?
From Latin radius (ray) + ACTIVE. Something radioactive emits rays — invisible energy radiating from unstable atoms as they seek stability through decay.
Common misspellings of radioactive
radioactivradioaktiveradoactiveradioactive
Example
The scientists carefully handled the radioactive materials in the laboratory.