You have 120 grams of a radioactive form of nitrogen. If its half-life is 10 minutes, how much, in grams, will be left after 20 minutes?
Accepted Solution
A:
Answer:30 gmsStep-by-step explanation:half life time means time taken for material to become half of its quantity120 gms will become 60 gms in 10 minsthen in 20 mins, it will be 30 gms