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Discovery of the Neutron

What is it?

What exactly is a neutron?

A neutron is a subatomic particle contained in the atomic nucleus. It has no electric charge, unlike the proton's positive electric charge. The number of neutrons in an atomic nucleus determines the isotope of that element. It's weight is one so makes up part of the atomic mass.

Where did the neutron come from?

In this presentation my partner and I will explain who first discovered the neutron, how it was discovered, what experiment was done, what the model of the atom looked like before the neutron was discovered and what the atom looks like now we know about the neutron.

What now?

Who discovered it?

So after this experiment what do we know about the nucleus of an atom?

The neutron was discovered by James Chadwick

By Hugh and Coker

Overview of the

It was first discovered by James Chadwick

The neutron is a uncharged sub particle in the nucleus of a n atom

It also makes up part of the atoms weight, and tells us about the isotope

Facts

What was the experiment?

This is a diagram of the experiment Chadwick used.

This is just a quick reminder of what has been said, for notes.

It was noticed by firing alpha radiation at a sheet of beryllium

The experiment was a continuation of experiments that had been done in the past

Without this discovery we would not know about many of the sub particles

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