It is not possible to locate the exact position of an electron, but the electron cloud shows the region where an electron is most likely to be. When the plastic strip is rubbed on the skin, electrons ...

This technique involves injecting a malignant tumour with non-radioactive boron ... with the neutrons, triggering the release of high-energy alpha particles, comprising two protons and two ...

Protons have a charge of +1. Electrons have a charge of -1. Neutrons are neutral, as its name implies. A stable atom has a net charge of 0. In other words, it has an equal number of protons and ...

The atom is a complex system of particles. It's made up of a central nucleus consisting of protons and neutrons, called ...

A team of astrophysicists running numerical simulations believe that water may have existed a lot earlier in the universe ...

Since electrons have almost no mass, it seemed that something besides the protons in the nucleus were adding to the mass. One leading explanation was that there were electrons and additional ...