1. What is the half-life of Strontium-90? Explain your answer.
Honestly I don't know how to get this answer. I've looked it up and stuff, but I just found the answer not how to know what it is. A link or explanation would be greatly appreciated. Thanks.
The half life of strontium-90 is 28.8 years. Strontium-90 has 52 neutrons and 38 protons.
I don't know much about this but I hope this helps, there aren't many helpers online right now cause its really late so I hope this helps
And try going on strontium 90 Wikipedia it has more info
DO NOT USE @cellis 's ANSWER! YOU WILL BE CAUGHT CHEATING.
My friend used a form of that answer, and a webmail was sent out saying that you will get a 0 on the test if you use it.