Question

5. Which substance released the alpha particles ?​

Answer 1

Answer:

Alpha particles are commonly emitted by all of the larger radioactive nuclei such as uranium, thorium, actinium, and radium, as well as the transuranic elements. Unlike other types of decay, alpha decay as a process must have a minimum-size atomic nucleus that can support it.

Answer 2

Explanation:

Alpha particles are commonly emitted by all of the larger radioactive nuclei such as uranium, thorium, actinium, and radium, as well as the transuranic elements.

Composition: 2 protons, 2 neutrons

Mass: 6.6446573357(20)×10−27 kg; 4.001506179127(63) Da; 3.7273794066(11) ...

Electric charge: +2 e

Symbol: α, α2+, He2+

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