In the context of multivalent ions, it is when it has multiple oxidative states.
After three half lives have passed, there would be only 12.5 percent of the original amount of a radioactive parent isotope that will remain. Half life is the time needed for a certain amount of a substance to be half its initial amount. It is a common term used in nuclear chemistry describing how fast radioactive substances undergo decay. One half life would correspond to only 50% would be left. Two half lives would be 25% only of the original value. Three half lives would be 12.5%. Four half lives would be 6.25% of the initial value. So on and so forth.
Answer:
equation number 3 is balanced.
hope it helps ☺️!
Jenny puts the ph paper and lines it up PH SCALE to find how strong the solution.
Well the the answer is 70.8c but if you round it up it is 71c which I choice and got it correct so the answer is 71c