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A certain amount of radioisotope

A certain amount of radioisotope (986.8 x 10-9 kg) is used to make the dial of a watch glow in the dark. If the half-life of
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2. asked by eric
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Can someone link me videos and sites that can teach me the formula to solve these? Or try to help me understand how to solve
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2. asked by Samantha
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Radioactive isotopes are unstable elements that emit particles and energy from their nucleus to become stable. The half-life of
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2. asked by Bray
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Algebraic ally determine the amount of time it will take for your radioisotope to decay to 70% of its strength
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2. asked by Angelo
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Which of the following is true concerning gamma radiation?A. The mass number of the radioisotope decreases by four. B. The
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2. asked by Cherry
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A radioisotope has a half-life of 4 days. How much of a 20-gram sample of this radioisotope remains at the end of each time
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2. asked by Stephanie
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The activity of a radioisotope is 3000 counts per minute at one time and 2736 counts per minute 48 hours later. What is the
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2. asked by Michelle
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A radioisotope spontaneously emits charged particles and energy.Which is not a characteristic of a radioisotope? It is
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Carbon-14 is the typical radioisotope used to date materials; however, it has a limitation to 40,000 years. A scientist who
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Match the word to its definition/description.Column A 1. Radioactivity: Radioactivity 2. Radioisotope: Radioisotope 3. Isotope:
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2. asked by e
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