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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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What shape would a molecule with two bound groups and two lone pairs have?
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Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the β1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
Answers: 1
Chemistry, 23.06.2019 03:30
Name atleast 3 type of energy associated with the microwave
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