If you had a 5 gram sample of lawrencium how much would still remain in 30 minutes?


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A5 The half-life of lawrencium is 3.6 hours, so after 30 minutes you would lose about 0.357 grams of your sample, so you have a total of 4.43 grams left. All isotopes of lawrencium are radioactive; its most stable known isotope is lawrencium-262, with a half-life of approximately 3.6 hours. ChaCha!

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