Chemical Element #93: Neptunium (Np)

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Atomic Number: 93, Element Symbol: Np, Element Name: Neptunium, Atomic Mass: 237.04817 u.

Detailed Properties:

Atomic Number:	93
Element Symbol:	Np
Element Name:	Neptunium
Electron Configuration:	[Rn]7s²5f⁴6d¹
Atomic Mass:	237.048170 u
Melting Point:	917.00 K
Boiling Point:	4175.00 K

Stable Isotopes:

Isotope	Mass	Abundance
²³⁶Np	236.046570	Unknown
²³⁷Np	237.048174	Unknown

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2022-05-01, 639👍, 0💬

Chemical Element #88: Radium (Ra)
Atomic Number: 88, Element Symbol: Ra, Element Name: Radium, Atomic Mass: 226.02541 u. 2022-07-06, 914🔥, 1💬

Chemical Element #91: Protactinium (Pa)
Atomic Number: 91, Element Symbol: Pa, Element Name: Protactinium, Atomic Mass: 231.0359 u. 2022-05-01, 829🔥, 0💬

Chemical Element #92: Uranium (U)
Atomic Number: 92, Element Symbol: U, Element Name: Uranium, Atomic Mass: 238.0289 u. 2022-05-01, 797🔥, 0💬

Chemical Element #89: Actinium (Ac)
Atomic Number: 89, Element Symbol: Ac, Element Name: Actinium, Atomic Mass: 227.02775 u. 2022-07-06, 748🔥, 1💬

Chemical Element #95: Americium (Am)
Atomic Number: 95, Element Symbol: Am, Element Name: Americium, Atomic Mass: 243.06138 u. 2022-04-21, 728🔥, 0💬

Chemical Element #94: Plutonium (Pu)
Atomic Number: 94, Element Symbol: Pu, Element Name: Plutonium, Atomic Mass: 244.06420 u. 2022-04-21, 722🔥, 0💬

Chemical Element #93: Neptunium (Np)
Atomic Number: 93, Element Symbol: Np, Element Name: Neptunium, Atomic Mass: 237.04817 u. 2022-05-01, 640🔥, 0💬

Chemical Element #96: Curium (Cm)
Atomic Number: 96, Element Symbol: Cm, Element Name: Curium, Atomic Mass: 247.07035 u. 2022-07-06, 638🔥, 1💬

Chemical Element #98: Californium (Cf)
Atomic Number: 98, Element Symbol: Cf, Element Name: Californium, Atomic Mass: 251.07959 u. 2022-04-02, 612🔥, 0💬

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