Np
1
9.8
A radioactive metal made by people and found in small amounts in uranium ore
- noun
- Specialized
:
Np
Synonyms
1
9.9
A rare radioactive metal made in nuclear reactions and found in uranium ore
is the symbol form used in chemical notation
9.0
A radioactive metal called neptunium found in uranium ores and nuclear reactors
is the symbol form rather than the numeric identifier
Surface Forms
Etymology
Np stands for neptunium, an element named after the planet Neptune, much like Uranus gave its name to uranium. So Np is the label taken from the name 'Neptune', which helps you remember this radioactive metal.