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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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An electrons position cannot be known precisely only it's probability of being in a certain location can be known
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Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation
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The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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The value of δh° for the reaction below is -482 kj. calculate the heat (kj) released to the surround...
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