Which of the following is used for shielding radioactive fall-outs?

perpetual sam56

10 years ago

The selected answer is wrong:

atomic number is the number of proton.therefore poton(atomic number=88)while mass number=234-88=233

red_kwatwa

2 months ago

Radioactive fall‑outs release ionizing radiation (mainly gamma rays and sometimes beta particles).
To protect against this radiation, materials with high density and atomic number are used because they absorb or attenuate radiation effectively.
Hope I helped

Raskyslim

12 years ago

D ans is A