An alpha-particle has how many neutrons?

Open in App

Solution

Alpha-particle:
It is a helium atom emitted by radioactive substances.
Its atomic number is 2 and its atomic mass is 4. It is represented as ${}_{2}^{4}H e$ .
It consists of 2 neutrons and 2 protons.
Hence, an alpha particle has 2 neutrons.

Suggest Corrections

Similar questions

If an isotope of ‘H’ has a mass number =3, how many neutrons does it have?

Helium atom has an atomic mass of 4u and has two protons in its nucleus. How many neutrons does it have?

An atom has a mass number $A$ and atomic number $Z :$

How many neutrons are present in its nucleus?

_{4}^{9} B e (α, n) ⟶ A

Join BYJU'S Learning Program