α particles are doubly charged ions of ________.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. helium.
Other Information-
- α particles are doubly charged ions of helium.
- They are made up of two protons and two neutrons.
- In radioactivity these particles are emitted from the nucleus.
- The mass of an alpha particle is 4u.
- Helium is a chemical element that usually exists in the gaseous state. The number is 2.