Posted by **kayla** on Thursday, November 13, 2008 at 5:52pm.

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?

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