Courtney MP 10 - Northbrook District 28

neptunium
Courtney M
P 10
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Neptunium’s name,
symbol, atomic
number, and atomic
mass.
Neptunium is a silvery radioactive
synthetic metal, and a solid at room
temperature. Neptunium isn’t part of a
group. It is, however, in period 7.
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Neptunium was discovered by Edwin
McMillan and Philip Abelson in 1940 at
the Berkeley Radiation Laboratory of the
University of California.
Edwin McMillan,
one of the
discoverers of
Neptunium.
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A diagram of
Neptunium.
Its melting point is 912± K,
639± °C, and 1182±5 °F. Its
boiling point is 4447 K, 4174 °C,
and 7545 °F.
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Neptunium in its
liquid form.
Neptunium is used to produce
plutonium-238, which is used for
spacecraft generators and terrestrial
navigation beacons. It’s also used in
neutron detection equipment.
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Neptunium is synthetically created.
Because Neptunium is artificially
created, it doesn’t come from a specific
location.
Philip Abelson,
one of the
discoverers of
Neptunium.
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A sphere of Neptunium.
Neptunium is a silvery white metal
with a density of 20.45 grams per cubic
centimeter. It doesn’t have any recorded
chemical properties.
•Extra Facts•
Neptunium is the first transuranium element
It’s bombarded uranium with cyclotron-produced slow
neutrons
Sources
Wikipedia. Wikimedia Foundation, n.d. Web. 05 Jan. 2016.
"Neptunium Element Facts." Chemicool. N.p., n.d. Web. 05
Jan. 2016.
"The Element Neptunium." It's Elemental -. N.p., n.d. Web.
05 Jan. 2016.

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