Which particles have approximately the same mass?
(1) alpha particle and beta particle
...
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Chemistry, 26.09.2019 10:10, ortegaly000
Which particles have approximately the same mass?
(1) alpha particle and beta particle
(2) alpha particle and proton
(3) neutron and positron
(4) neutron and proton
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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