Measuring and Detecting Radioactivity


What happens to the mass number and atomic in alpha decay?

2 years ago


1 Reply




Gladys Wuckert

1 Answer

Tara S Profile Picture
Tara S Verified Sherpa Tutor ✓

An experienced and enthusiastic tutor with a PhD in Molecular Biology

1 reviews

Alpha particles are packages of two protons and two neutrons and are emitted when the nucleus of an isotope has too few neutrons.

Emission of an alpha particle causes the mass number to decrease by 4 and the atomic number to decrease by 2.

I'm available for 1:1 private online tuition!

Click here to view my profile and arrange a free introduction.

Think you can help?

More Physics GCSE Questions
Sherpa Badge

Need a GCSE Physics tutor?

Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.

Find a GCSE Physics Tutor