Iodine-131 is a radioactive isotope, and is often used in certain medical treatments. It
has a short half-life of about 8 days. If a hospital has a 750mg sample of it available,
how much would be available after 48 days?

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Name the element in group 17, period 2. (periodic table)

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.