| A particle accelerator cannot increase the ____ of neutrons. |
dinosaur |
| The ____ of two hydrogen atoms produces a helium atom. |
electric field |
| Since a gamma ray has no charge, it is not affected by an ____. |
fusion |
| To change atoms of an element into another element is ____. |
heavy water |
| Half-life depends on ____ (not temperature or volume). |
kinetic energy |
| A molecule of ____ contains one or two atoms of deuterium. |
radiation |
| Potassium-40 and uranium-238 are used to date ____ fossils. |
time |
| A C-14 atom emits ____ as it decays into a stable N-14 atom. |
transmutation |
