See also:

• YTTERBIUM (NEO-YTTERBIUM) [symbol, Yb; atomic weight, 172.0 (0=16)]

YTTERBIUM (NEO-YTTERBIUM) [See also:

• SYMBOL (Gr. o-uµ(3oXov, a sign)

symbol, Yb; atomic See also:

• WEIGHT

weight, 172.0 (0=16)]  , a metallic chemical See also:

• ELEMENT (Lat. elementum)

element belonging to the rare See also:

• EARTH
• EARTH (a word common to Teutonic languages, cf. Ger. Erde, Dutch aarde, Swed. and Dan. jord; outside Teutonic it appears only in the Gr. 'pq'e, on the ground; it has been connected by some etymologists with the Aryan root ar-, to plough, which is seen in
• EARTH, FIGURE OF
• EARTH, FIGURE OF THE

earth See also:

• GROUP

group . Mixed with See also:

• SCANDIUM [symbol Sc, atomic weight 44.1 (0=16)]

scandium it was discovered by See also:

• MARIGNAC, JEAN CHARLES GALISSARD DE (1817-1894)

Marignac in gadolinite in 1878 (see RARE EARTHS) . The See also:

• OXIDE

oxide, Yb203, is See also:

• WHITE
• WHITE, ANDREW DICKSON (1832– )
• WHITE, GILBERT (1720–1793)
• WHITE, HENRY KIRKE (1785-1806)
• WHITE, HUGH LAWSON (1773-1840)
• WHITE, JOSEPH BLANCO (1775-1841)
• WHITE, RICHARD GRANT (1822-1885)
• WHITE, ROBERT (1645-1704)
• WHITE, SIR GEORGE STUART (1835– )
• WHITE, SIR THOMAS (1492-1567)
• WHITE, SIR WILLIAM ARTHUR (1824--1891)
• WHITE, SIR WILLIAM HENRY (1845– )
• WHITE, THOMAS (1628-1698)
• WHITE, THOMAS (c. 1550-1624)

white and forms colourless salts; the crystallized chloride, YbC13.6H20, forms colourless, deliquescent crystals; the anhydrous chloride sublimes on See also:

• HEATING

heating (C . Matignon, See also:

• ANN

Ann. chim. plays., 1906 (8), 8, p . 440) . In 1907 G . Urbain separated See also:

• YTTERBIUM (NEO-YTTERBIUM) [symbol, Yb; atomic weight, 172.0 (0=16)]

ytterbium into two new elements, neo-ytterbium and lutecium (atomic See also:

• WEIGHT

weight, 174.0); and in 1908 C . A. von Welsbach published the same result, naming his elements aldebaranium and cassiopeium (on the question of priority see F . See also:

• WENZEL, KARL FRIEDRICH (1740-1793)

Wenzel, Zeit. anorg . Chem., 1909, 64, p . 119) .