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Neptunium is a member of the actinoids family.
Neptunium is a radioactive actinide element with the atomic number 93. It is situated in the actinide series of the periodic table, which is the row below the lanthanide series, between uranium and plutonium.
Neptunium (Np)
Before uranium is protactinium. After uranium is neptunium.
Neptunium is element 93.
Neptunium is a metal element. It is a solid in room temperature. It is in the f block of the Periodic Table.
All these metals are members of the actinoids family, period 7 in the periodic table of Mendeleev.
The periodic table has nothing to do with planets but some of the planets name are on it.Plutonium= Pluto Neptunium= Neptune Uranium= Uranus Mercury= MercuryTada these are the planets on the periodic table
The element with chemical symbol Np is Neptunium. Neptunium is a radioactive Lanthanide and is part of the unofficial Promethium family. It has 93 electrons in 7 shells and is next to Uranium and Plutonium.
The group number of neptunium is 3 in the periodic table. It is a member of the actinide series, which is in the f-block of elements. Neptunium is a radioactive element with atomic number 93.
The actinides (or actinoids) family contain the following elements: actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrentium; beginning with neptunium the elements are only artificially obtained.
Examples: neon, uranium, iron, gold, silver, neptunium etc.