Example of lesson content

April 16, 2016

Disappearing Mass

The mass of a nucleus is less than the mass of the protons and neutrons that it is made of.

(mass of protons + mass of neutrons) – mass of nucleus = ∆m

∆m is the difference in the masses and is called the mass defect.

Let us look at the nucleus of a Helium atom to see this in action. It is made up of 2 protons and 2 neutrons:

Attachments



Resources others found helpful

7 + interview questions King's College School Wimbledon

Interview questions and tips to help you prepare!

STEM Applications to Oxbridge (Oxford and Cambridge)

This article attempts to shine some light on the Oxbridge Admissions process for STEM-based subjects, such as Maths, Engineering and Natural Sciences.