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Actinium is a radioactive soft

Actinium is a radioactive soft metal that glows light blue in the dark. The isotope actinium-228 has a half-life of about 21.77y
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Actinium is a radioactive soft metal that glows light blue in the dark. The isotope actinium-228 has a half-life of about 21.77
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2. asked by Hana
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Actinium is a radioactive soft metal that glows light blue in the dark. The isotope actinium-228 has a half-life of about 21.77
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Actinium-226 has a half-life of 29 hours. If 80 mg of Actinium-226 disintegrates over a period of 87 hours, how many mg of
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Actinium-226 has a half-life of 29 hours. If 80 mg of Actinium-226 disintegrates over a period of 87 hours, how many mg of
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Actinium-226 has a half-life of 29 hours. If 80 mg of Actinium-226 disintegrates over a period of 87 hours, how many mg of
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2. asked by T-Swizzle
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The half-life of a radioactive kind of actinium is 22 years. If you start with 48 grams of it, how much will be left after 88
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2. asked by b
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Multiple ChoiceIf a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
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2. asked by itachi
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Multiple ChoiceIf a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
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Multiple Choice If a musician sees mp in his part, which dynamic level should he play? (1 point) Responses very soft very soft
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2. asked by ////
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