Lanthanoids

Atomic number	Name	Symbol	Electronegativity
57	Lanthanum	La	1.1
58	Cerium	Ce	1.12
59	Praseodymium	Pr	1.13
60	Neodymium	Nd	1.14
61	Promethium	Pm	1.13
62	Samarium	Sm	1.17
63	Europium	Eu	1.2
64	Gadolinium	Gd	1.2
65	Terbium	Tb	1.1
66	Dysprosium	Dy	1.22
67	Holmium	Ho	1.23
68	Erbium	Er	1.24
69	Thulium	Tm	1.25
70	Ytterbium	Yb	1.1
71	Lutetium	Lu	1.27

Oyoko Education Center

Main: Main Page, Advice, Nabuur, Schools in Oyoko
Geography: African countries 1, African countries 2, Akosombo Dam, Ghana, Koforidua, Lake Volta, Oyoko, Regional capitals of Ghana
Neighbours: Barb Briggs, Ernest Okrah - local representative, Frantisek Korbel, Jean-Claude Kamwenubusa, Ken Hargesheimer, Mazombo Menga Rodolphe, Pelle Aardema, Raul Alberto Caceres, Stella Akiteng, Sushmita Lahiri
Promotion: Link exchange, Photo gallery 1, Photo gallery 2, Video, YouTube channel
Education: Arithmetics training, English alphabet, English plural exceptions, Lanthanoids, Periodic table, Useful information
Statistics: Web statistics Visits in 2008: June, July, August, September, October, November, December Visits in 2009: January, February