Chemistry, 21.08.2019 05:50 ofmiceandkj1
To what element does thorium-230 (atomic number-90) decay when it emits an alpha particle (42he)?
a. 22688ra
c. 22886rn
b. 23090ra
d. 22286rn
Answers: 1
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Here’s one way to follow the scientific method. place the missing steps in the correct position in the process
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Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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To what element does thorium-230 (atomic number-90) decay when it emits an alpha particle (42he)?
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