Transmutation involves chemical change.

Transmutations occur through natural spontaneous nuclear decay or artificially created transmutations.

Artificial transmutations are performed by

Elements with atomic numbers greater than ____ are called _____________ elements.

All transuranium elements are radioactive.

Transuranium elements are always found existing in nature.

Scientists can synthesize a transuranium element by the artificial transmutation of heavier elements.

The first transuranium element artificially synthesized was _______________ .

What two elements were utilized in the creation of Neptunium?

Most transuranium elements have only been produced for research.

As Americium-241 undergoes radioactive decay, it emits ______________ .

Most often transmutations will not occur unless the bombarding particles are moving at

In particle accelerators, charged particles can be accelerated to speeds very close to the speed of light.

Particle accelerators have helped scientists produce over ___________ different isotopes.

Scientists have used particle accelerators to conduct collision experiments to identify more than 200 different subatomic particles.

In the current model of the atom, protons and neutrons are made up of even smaller particles called ___________ .