1) Nobelium has a half-life of 1 hour. If you start with 1 kg, how much will you have by this time tomorrow?
2) You have 90 g of Lawrencium. You step away to watch one episode of "everybody loves raymond." when you return to your scientific studies, you only have 0.088g of lawrencium. what is its half-life?
science - cammellia, Thursday, November 13, 2008 at 6:15pm
hi i am a 6th grader i need help with my science homework may you help me