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kondor19780726 [428]
2 years ago
7

Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y, how many would be left

Chemistry
1 answer:
stellarik [79]2 years ago
6 0
It’s Gotta Be One Of Those
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What is the reason of formation of millions of organic compound
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