Through these activities, students will be introduced to some of the characteristics of electrons, protons, and neutrons, which make up atoms. Objective Students will be able to explain, in terms of ...

An atom consists of a heavy center, called the nucleus, made of particles called protons and neutrons. An atom has lighter ...

The word magic is not often used in the context of science. But in the early 1930s, scientists discovered that some atomic ...

Protons are tiny particles just a femtometer across, but without them, atoms wouldn't exist. Protons are tiny subatomic particles that, along with neutrons, form the nucleus of an atom. The ...

To figure out what plutonium's electrons looked like in this ground state, Janoschek's team fired a beam of neutrons at a plutonium sample.

Escaping elements are bombarded with neutrons, which split inside the nucleus into protons and electrons, generating new unique elements.

What this means is that when protons and anti-protons (or neutrons and anti-neutrons) find each other, they annihilate away, and we cannot make new ones.

Groundbreaking work has confirmed plutonium's magnetism, which scientists have long theorized but have never been able to experimentally observe.

The stuff of daily existence is made of atoms, and all those atoms are made of the same three things: electrons, protons and neutrons. Protons and neutrons are very similar particles in most respects.

A plutonium atom is extraordinarily complex, containing 94 electrons and 244 subatomic particles in two classes -- positively charged particles called protons and neutral particles known as ...