The half‑lives of different medical radioisotopes are given in the table. If the initial amount of iodine‑131 is 32 mCi, how much iodine‑131 is left in the body after 24 days?

How many grams of n2h4 will be consumed by 23 g of n2o4

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Which statement best explains the relationship between an area is geography and the temperature of its surface water