Chemistry, 22.12.2020 02:00 areyonalloyd
Tin-129 is radioactive and has a half life of 2.23 minutes. Calculate the activity of a 8.6 mg sample of tin-129. Give your answer in becquerels and in curies.
Answers: 1
Chemistry, 22.06.2019 00:00
Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances
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Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.
Answers: 3
Tin-129 is radioactive and has a half life of 2.23 minutes. Calculate the activity of a 8.6 mg sampl...
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