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The element strontium-90 is radioactive.

The half-life of radioactive strontium-90 is approximately 31 years. In 1960, radioactive strontium-90 was released into the
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2. asked by Brandon
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The half-life of radioactive strontium-90 is approximately 28 years. In 1962, radioactive strontium-90 was released into the
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2. asked by Jason
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The half-life of radioactive strontium-90 is approximately 32 years. In 1961, radioactive strontium-90 was released into the
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2. asked by Annie
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The half-life of radioactive strontium-90 is approximately 31 years. In 1960, radioactive strontium-90 was released into the
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2. asked by Brittany
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[Exponential growth & decay]The half-life of radioactive strontium-90 is approximately 29 years. In 1965, radioactive
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2. asked by Z32
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Locate the element Strontium (Sr) in the Periodic Table. Which statements are TRUE of the element Strontium? Choose the 3
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Locate the element Strontium (Sr) in the Periodic Table. Which statements are TRUE of the element Strontium? Choose the 3
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In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones
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2. asked by jessica
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In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones
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2. asked by Cratch
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The element strontium-90 is radioactive. The percent of strontium -90, A(t), left in a sample can be modelled by the half-life
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2. asked by Emma
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