Neptunium By: Chris Sanbower

Neptunium

• By: Chris Sanbower

Neptunium, What Is It?

• Atomic Symbol: Np

• Atomic Number: 93

• Atomic Mass: 237

• Period # 7

• Neptunium does not have a group number but its part of the Actinide family

Neptunium Photo Gallery

NEPTUNIUM ATOM

Neptunium Physical Properties

• Melting Point: 1179 F

• Boiling Point: 7232 F

• Density: 20.45 g/cm^3

• Neptunium color is a slivery metallic

Neptunium Chemical Properties

• Neptunium’s oxidation number is 7

• Its electronic configuration is [Rn] 5f4 6d1 7s2

• Neptunium is extremely radioactive

Neptunium’s Uses

• Neptunium is a metal, but is uncommonly used because of its radioactivity

Neptunium’s History

• Discovered by edwin m. mcmillan and p.h. abelson in 1940

• Named after the planet neptune

NEPTUNIUM’S ISOTOPES AND ALLITROPIC FORMS

• 3 ALLOTROPIC FORMS

• NEPTUNIUM IS AN ARTIFICAIL ELEMENT AND HAS 8 ISOTOPES

INTERESTING STUFF

• .Neptunium is sometimes used as a detector for neutrons
• .Neptunium is a by product of plutonium

THE END