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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Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right
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What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
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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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