Chemical Element #68: Erbium (Er)

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Atomic Number: 68, Element Symbol: Er, Element Name: Erbium, Atomic Mass: 167.26 u.

Detailed Properties:

Atomic Number:	68
Element Symbol:	Er
Element Name:	Erbium
Electron Configuration:	[Xe]6s²4f¹²
Atomic Mass:	167.260000 u
Melting Point:	1802.00 K
Boiling Point:	3141.00 K

Stable Isotopes:

Isotope	Mass	Abundance
¹⁶²Er	161.928788	0.001390
¹⁶⁴Er	163.929209	0.016010
¹⁶⁶Er	165.930300	0.335030
¹⁶⁷Er	166.932055	0.228690
¹⁶⁸Er	167.932377	0.269780
¹⁷⁰Er	169.935470	0.149100

✍: FYIcenter.com

2022-08-27, 685👍, 0💬

Chemical Element #71: Lutetium (Lu)
Atomic Number: 71, Element Symbol: Lu, Element Name: Lutetium, Atomic Mass: 174.967 u. 2022-10-21, 808🔥, 0💬

Chemical Element #63: Europium (Eu)
Atomic Number: 63, Element Symbol: Eu, Element Name: Europium, Atomic Mass: 151.96 u. 2022-12-03, 761🔥, 0💬

Chemical Element #69: Thulium (Tm)
Atomic Number: 69, Element Symbol: Tm, Element Name: Thulium, Atomic Mass: 168.93422 u. 2022-08-27, 721🔥, 0💬

Chemical Element #70: Ytterbium (Yb)
Atomic Number: 70, Element Symbol: Yb, Element Name: Ytterbium, Atomic Mass: 173.0 u. 2022-08-27, 703🔥, 0💬

Chemical Element #72: Hafnium (Hf)
Atomic Number: 72, Element Symbol: Hf, Element Name: Hafnium, Atomic Mass: 178.49 u. 2022-10-21, 698🔥, 0💬

Chemical Element #68: Erbium (Er)
Atomic Number: 68, Element Symbol: Er, Element Name: Erbium, Atomic Mass: 167.26 u. 2022-08-27, 686🔥, 0💬

Chemical Element #65: Terbium (Tb)
Atomic Number: 65, Element Symbol: Tb, Element Name: Terbium, Atomic Mass: 158.92535 u. 2022-11-21, 644🔥, 0💬

Chemical Element #66: Dysprosium (Dy)
Atomic Number: 66, Element Symbol: Dy, Element Name: Dysprosium, Atomic Mass: 162.50 u. 2022-11-21, 642🔥, 0💬

Chemical Element #64: Gadolinium (Gd)
Atomic Number: 64, Element Symbol: Gd, Element Name: Gadolinium, Atomic Mass: 157.2 u. 2022-12-02, 632🔥, 0💬

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