Chemical Element #90: Thorium (Th)

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Atomic Number: 90, Element Symbol: Th, Element Name: Thorium, Atomic Mass: 232.038 u.

Detailed Properties:

Atomic Number:	90
Element Symbol:	Th
Element Name:	Thorium
Electron Configuration:	[Rn]7s²6d²
Atomic Mass:	232.038000 u
Melting Point:	2023.00 K
Boiling Point:	5061.00 K

Stable Isotopes:

Isotope	Mass	Abundance
²³⁰Th	230.033134	0.000000
²³²Th	232.038056	1.000000

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2022-05-05, 969👍, 0💬

Chemical Element #88: Radium (Ra)
Atomic Number: 88, Element Symbol: Ra, Element Name: Radium, Atomic Mass: 226.02541 u. 2022-07-06, 942🔥, 1💬

Chemical Element #91: Protactinium (Pa)
Atomic Number: 91, Element Symbol: Pa, Element Name: Protactinium, Atomic Mass: 231.0359 u. 2022-05-01, 854🔥, 0💬

Chemical Element #92: Uranium (U)
Atomic Number: 92, Element Symbol: U, Element Name: Uranium, Atomic Mass: 238.0289 u. 2022-05-01, 826🔥, 0💬

Chemical Element #86: Radon (Rn)
Atomic Number: 86, Element Symbol: Rn, Element Name: Radon, Atomic Mass: 222.01758 u. 2022-07-01, 787🔥, 0💬

Chemical Element #89: Actinium (Ac)
Atomic Number: 89, Element Symbol: Ac, Element Name: Actinium, Atomic Mass: 227.02775 u. 2022-07-06, 765🔥, 1💬

Chemical Element #95: Americium (Am)
Atomic Number: 95, Element Symbol: Am, Element Name: Americium, Atomic Mass: 243.06138 u. 2022-04-21, 746🔥, 0💬

Chemical Element #85: Astatine (At)
Atomic Number: 85, Element Symbol: At, Element Name: Astatine, Atomic Mass: 209.98715 u. 2022-07-06, 741🔥, 1💬

Chemical Element #94: Plutonium (Pu)
Atomic Number: 94, Element Symbol: Pu, Element Name: Plutonium, Atomic Mass: 244.06420 u. 2022-04-21, 738🔥, 0💬

Chemical Element #87: Francium (Fr)
Atomic Number: 87, Element Symbol: Fr, Element Name: Francium, Atomic Mass: 223.01973 u. 2022-05-15, 723🔥, 0💬

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