Radioactive iodine-131 has a half-life of eight days. the amount of a 200.0 gram sample left after 32 days would be

12.5 g

Explanation:

Nuclear half-life,  

t

1/2

, is the amount of time required for a quantity of a radioactive material to fall to half its value as measured at the beginning of the time period.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates