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The lanthanide contraction, i.e. the reduction in size of the Ln 3+ ion from La 3+ (103 pm) to Lu 3+ (86.1 pm), is often explained by the poor shielding of the 5s and 5p electrons by the 4f electrons. [18] Lanthanide oxides: clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium.
The Books of Samuel portray the Temple as having a Phoenician architect, and in Phoenicia it was the Babylonian ell which was used to measure the size of parts of ships. [1] Thus scholars are uncertain whether the standard Biblical ell would have been 49.5 or 52.5 cm (19.49 or 20.67 in), but are fairly certain that it was one of these two ...
The lanthanide contraction is the greater-than-expected decrease in atomic radii and ionic radii of the elements in the lanthanide series, from left to right. It is caused by the poor shielding effect of nuclear charge by the 4f electrons along with the expected periodic trend of increasing electronegativity and nuclear charge on moving from left to right.
Lanthanide metals react exothermically with hydrogen to form LnH 2, dihydrides. [1] With the exception of Eu and Yb, which resemble the Ba and Ca hydrides (non-conducting, transparent salt-like compounds),they form black pyrophoric, conducting compounds [6] where the metal sub-lattice is face centred cubic and the H atoms occupy tetrahedral sites. [1]
A sample page from Biblia Hebraica Stuttgartensia (Genesis 1,1-16a).. The Biblia Hebraica Stuttgartensia, abbreviated as BHS or rarely BH 4, is an edition of the Masoretic Text of the Hebrew Bible as preserved in the Leningrad Codex, and supplemented by masoretic and text-critical notes.
Human remains found in Lebanon Township, Pennsylvania, in 1973 have been identified, officials in the state confirmed. Pennsylvania State Police Sgt. Josh Lacey announced in a press conference on ...
Kyler Murray - Contract value: $230.5 million - Career NFL record: 34-43-1 - Approximate career value: 62. 2018 Heisman Trophy winner Kyler Murray was the top pick in the 2019 NFL draft.
King James Bible [note 1] Clementine Vulgate Douay Rheims Full title in the Authorised Version; 1 Esdras: 3 Esdrae: 3 Esdras: The First Book of Esdras 2 Esdras: 4 Esdrae: 4 Esdras: The Second Book of Esdras Tobit: Tobiae: Tobias: Tobit Judith: Judith Rest of Esther: Esther 10,4 – 16,24: Esther 10:4 – 16:24: The Rest of the Chapters of the ...