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Question: Answered & Verified by Expert
Alpha particles are____
PhysicsAtomic PhysicsJEE Main
Options:
  • A twice the mass of beta particles
  • B negatively charged
  • C just like helium nuclei
  • D composite particles consisting of one protons and one neutrons
Solution:
1935 Upvotes Verified Answer
The correct answer is: just like helium nuclei
The correct answer is just like helium nuclei.
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus.
An alpha particle is like a Helium nucleus that has no electrons and has a valency $2+$.
Alpha particles are emitted by radioactive nuclei such as uranium or radium, in a process known as alpha decay.

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