C-13-Q048mediumsingle_mcq
The half life of a radioactive element of 1 kg is 100 years. What approximate mass of the element remains after 200 years?
The half life of a radioactive element of 1 kg is 100 years. What approximate mass of the element remains after 200 years?
- a250 g
- b500 g
- capproximately 1 kg
- d0 g