Isotopes and the Neutron

Vocabulary flashcards covering the discovery of isotopes, isotope characteristics and examples, and the discovery and properties of the neutron based on lecture notes.

Frederick Soddy

The scientist who discovered that an element could have atoms with different masses.

Isotopes

Different versions of the same element that have the same number of protons but a different number of neutrons, resulting in different masses.

Carbon-12

An isotope of carbon composed of $6$ protons and $6$ neutrons.

Carbon-14

An isotope of carbon composed of $6$ protons and $8$ neutrons.

James Chadwick

The scientist who, in $1932$, provided evidence for a particle inside the nucleus called the neutron.

Neutron

A particle located inside the nucleus that has no electrical charge and has approximately the same mass as a proton.