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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
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Chemistry, 23.06.2019 07:00
Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm
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Can a sample of methane contain 1577 atoms?...
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