Neptunium

=Neptunium =   By: Hannah
 * Atomic Number: ** 93
 * Protons: ** 93

**Electrons: ** 93

**Neutrons: ** 144

**Average Atomic Mass: ** 237

**Isotopes: ** 234Np, 235Np, 236Np, 237Np, 238Np, 239Np

**Discovery: **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;"> Neptunium was discovered by Mcmillian and Abelson in 1940 at Berkeley, California. It was the first synthetic transuranium (elements after uranium) element.

**<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Name: **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;"> Neptunium was named after the planet Neptune.

**<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Uses: **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;"> Its is used for Neutron detection equipment.

**<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Interesting Facts: **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;"> ~ Neptunium is in the actinide series (group three; 6th & 7th periods) ~ One of the "rare earth elements" ~ Neptunium's half life is 2.1 million years ~ Neptunium is made by bombarding neutrons with more neutrons.

**<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Video: **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;"> media type="youtube" key="AFo96BkYNdQ" height="364" width="445"
 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Sources **<span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">

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 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Photo: http://gotexassoccer.com/elements/093Np/Np.htm
 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">Video: http://www.youtube.com/watch?v=AFo96BkYNdQ
 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 20px; line-height: 29px;">http://www.webelements.com/neptunium/
 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 150%;">http://www.webelements.com/neptunium/isotopes.html <span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">
 * <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive; font-size: 150%;"> http://www.webelements.com/neptunium/history.html <span style="color: #00ff00; font-family: 'Comic Sans MS',cursive;">