Chemical Element #85: Astatine (At)

A

Atomic Number: 85, Element Symbol: At, Element Name: Astatine, Atomic Mass: 209.98715 u.

Detailed Properties:

Atomic Number:	85
Element Symbol:	At
Element Name:	Astatine
Electron Configuration:	[Xe]6s²4f¹⁴5d¹⁰6p⁵
Atomic Mass:	209.987150 u
Melting Point:	575.00 K
Boiling Point:	Unknown

Stable Isotopes:

Isotope	Mass	Abundance
²¹⁰At	209.987148	Unknown
²¹¹At	210.987497	Unknown

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2022-07-06, 778👍, 1💬

Chemical Element #88: Radium (Ra)
Atomic Number: 88, Element Symbol: Ra, Element Name: Radium, Atomic Mass: 226.02541 u. 2022-07-06, 1012🔥, 1💬

Chemical Element #86: Radon (Rn)
Atomic Number: 86, Element Symbol: Rn, Element Name: Radon, Atomic Mass: 222.01758 u. 2022-07-01, 878🔥, 0💬

Chemical Element #82: Lead (Pb)
Atomic Number: 82, Element Symbol: Pb, Element Name: Lead, Atomic Mass: 2.1e+02 u. 2022-10-07, 870🔥, 0💬

Chemical Element #81: Thallium (Tl)
Atomic Number: 81, Element Symbol: Tl, Element Name: Thallium, Atomic Mass: 204.383 u. 2022-10-07, 866🔥, 0💬

Chemical Element #80: Mercury (Hg)
Atomic Number: 80, Element Symbol: Hg, Element Name: Mercury, Atomic Mass: 200.59 u. 2022-10-07, 859🔥, 0💬

Chemical Element #89: Actinium (Ac)
Atomic Number: 89, Element Symbol: Ac, Element Name: Actinium, Atomic Mass: 227.02775 u. 2022-07-06, 850🔥, 1💬

Chemical Element #83: Bismuth (Bi)
Atomic Number: 83, Element Symbol: Bi, Element Name: Bismuth, Atomic Mass: 208.9804 u. 2022-10-07, 802🔥, 0💬

Chemical Element #85: Astatine (At)
Atomic Number: 85, Element Symbol: At, Element Name: Astatine, Atomic Mass: 209.98715 u. 2022-07-06, 779🔥, 1💬

Chemical Element #87: Francium (Fr)
Atomic Number: 87, Element Symbol: Fr, Element Name: Francium, Atomic Mass: 223.01973 u. 2022-05-15, 771🔥, 0💬

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