Nuclear Chem

Front

When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element...

Back

remains the same

Front

The process of the production of lighter nuclei from one heavier nucleus is called

Back

fission

Front

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

Back

alpha particle

Front

The most penetrating type of radiation is the ____.

Back

gamma ray

Front

The process by which nuclei having low masses are united to form nuclei with larger masses is ____.

Back

fusion 

Front

100g of radioactive Ba has a half life of 10 years. How much is left after 20 years?

Back

25g

Front

Be-9 undergoing beta decay produces

Back

B-9

Front

If 60g of radioactive Na which has a half life of 5 days is down to 7.5g how long has it been?

Back

15days

Front

Rb-86 + n-1 --> n-3 + K-42 +____________

Back

Ar-42

Front

If P-32 produced Al-28 What type of decay happened?

Back

Alpha