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A Certain Nucleus a (Mass Number 238 and Atomic Number 92) is Radioactive and Becomes a Nucleus B (Mass Number 234 and Atomic Number 90) by the Loss of One Particle. -

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Question

A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.

What particle was emitted?

One Line Answer

Solution

The alpha particle was emitted.

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