Chemical Element #81: Thallium (Tl)

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Atomic Number: 81, Element Symbol: Tl, Element Name: Thallium, Atomic Mass: 204.383 u.

Detailed Properties:

Atomic Number:	81
Element Symbol:	Tl
Element Name:	Thallium
Electron Configuration:	[Xe]6s²4f¹⁴5d¹⁰6p¹
Atomic Mass:	204.383000 u
Melting Point:	577.00 K
Boiling Point:	1746.00 K

Stable Isotopes:

Isotope	Mass	Abundance
²⁰³Tl	202.972345	0.295200
²⁰⁵Tl	204.974428	0.704800

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2022-10-07, 896👍, 0💬

Chemical Element #86: Radon (Rn)
Atomic Number: 86, Element Symbol: Rn, Element Name: Radon, Atomic Mass: 222.01758 u. 2022-07-01, 921🔥, 0💬

Chemical Element #78: Platinum (Pt)
Atomic Number: 78, Element Symbol: Pt, Element Name: Platinum, Atomic Mass: 195.08 u. 2022-10-21, 918🔥, 0💬

Chemical Element #82: Lead (Pb)
Atomic Number: 82, Element Symbol: Pb, Element Name: Lead, Atomic Mass: 2.1e+02 u. 2022-10-07, 903🔥, 0💬

Chemical Element #81: Thallium (Tl)
Atomic Number: 81, Element Symbol: Tl, Element Name: Thallium, Atomic Mass: 204.383 u. 2022-10-07, 897🔥, 0💬

Chemical Element #80: Mercury (Hg)
Atomic Number: 80, Element Symbol: Hg, Element Name: Mercury, Atomic Mass: 200.59 u. 2022-10-07, 884🔥, 0💬

Chemical Element #83: Bismuth (Bi)
Atomic Number: 83, Element Symbol: Bi, Element Name: Bismuth, Atomic Mass: 208.9804 u. 2022-10-07, 825🔥, 0💬

Chemical Element #85: Astatine (At)
Atomic Number: 85, Element Symbol: At, Element Name: Astatine, Atomic Mass: 209.98715 u. 2022-07-06, 804🔥, 1💬

Chemical Element #77: Iridium (Ir)
Atomic Number: 77, Element Symbol: Ir, Element Name: Iridium, Atomic Mass: 192.22 u. 2022-10-21, 799🔥, 0💬

Chemical Element #84: Polonium (Po)
Atomic Number: 84, Element Symbol: Po, Element Name: Polonium, Atomic Mass: 208.98243 u. 2022-07-26, 797🔥, 0💬

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