Examlex
To make an uncharged object have a negative charge we must:
Beta Particle
A fast-moving electron or positron with high energy released during the radioactive decay of an atomic nucleus.
Atomic Nucleus
The small, dense region at the center of an atom, consisting of protons and neutrons and containing nearly all the atom's mass.
Beta Particle
A high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during beta decay.
Atomic Nucleus
The dense central core of an atom, containing protons and neutrons, around which electrons orbit.
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