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Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 12:00, macylen3900
Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?
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1) one mole of particles of any substance contains how many particles? a) particles b) 3 × c) 3 × d...
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