Chemical Element #87: Francium (Fr)

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Atomic Number: 87, Element Symbol: Fr, Element Name: Francium, Atomic Mass: 223.01973 u.

Detailed Properties:

Atomic Number:	87
Element Symbol:	Fr
Element Name:	Francium
Electron Configuration:	[Rn]7s¹
Atomic Mass:	223.019730 u
Melting Point:	300.00 K
Boiling Point:	Unknown

Stable Isotopes:

Isotope	Mass	Abundance
²²³Fr	223.019736	Unknown

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2022-05-15, 703👍, 0💬

Chemical Element #88: Radium (Ra)
Atomic Number: 88, Element Symbol: Ra, Element Name: Radium, Atomic Mass: 226.02541 u. 2022-07-06, 917🔥, 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, 800🔥, 0💬

Chemical Element #82: Lead (Pb)
Atomic Number: 82, Element Symbol: Pb, Element Name: Lead, Atomic Mass: 2.1e+02 u. 2022-10-07, 785🔥, 0💬

Chemical Element #86: Radon (Rn)
Atomic Number: 86, Element Symbol: Rn, Element Name: Radon, Atomic Mass: 222.01758 u. 2022-07-01, 776🔥, 0💬

Chemical Element #89: Actinium (Ac)
Atomic Number: 89, Element Symbol: Ac, Element Name: Actinium, Atomic Mass: 227.02775 u. 2022-07-06, 750🔥, 1💬

Chemical Element #83: Bismuth (Bi)
Atomic Number: 83, Element Symbol: Bi, Element Name: Bismuth, Atomic Mass: 208.9804 u. 2022-10-07, 736🔥, 0💬

Chemical Element #85: Astatine (At)
Atomic Number: 85, Element Symbol: At, Element Name: Astatine, Atomic Mass: 209.98715 u. 2022-07-06, 725🔥, 1💬

Chemical Element #84: Polonium (Po)
Atomic Number: 84, Element Symbol: Po, Element Name: Polonium, Atomic Mass: 208.98243 u. 2022-07-26, 712🔥, 0💬

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