In the history of the discovery of the parts of an atom, the neutron was discovered after the proton and electron.What property of a neutron made it more difficult than the proton or electron to discover?

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The neutron is more difficult to discover because it has no charge, unlike the proton and electron, which have positive and negative charges respectively. This makes it difficult to detect using traditional methods such as electromagnetism, which rely on interactions with charged particles. Instead, its discovery required more indirect methods such as nuclear reactions and scattering experiments.

In the History of the Discovery of the Parts of an Atom