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Lanthanum Symbol La Atomic Number 57 Atomic Mass 138.9055 Family Group 3 (Iiib) Transition Metal Pronunciation LAN-tha-num Overview Lanthanum is the third element in Row 6 of the periodic table. The periodic table is a chart that shows how chemical...

Lanthanum is the third element in Row 6 of the periodic table. It is sometimes classified as a rare earth element, a group of elements that follow it in Row 6 and are also known as the lanthanides. Lanthanum's atomic number is 57, its atomic mass is...

Lanthanum is a rare-earth element denoted by the atomic symbol La. Its atomic number is 57, and its atomic weight is 138.9055. Its melting point is 1,688°F (920°C) and boiling point, 6,251°F (3,455°C). The element occurs in high...

Lanthanum (pronounced /ˈlænθənəm/) is a chemical element with the symbol La and atomic number...

Overview Lanthanum is a rare-earth trace metal that naturally occurs in monazite sand and coal (Drueke, 2007). Commercially, lanthanum is a byproduct of the nuclear industry and can be used as a semiconductor in florescent lights and rechargeable batteries (Drueke, 2007). Lanthanum has...

Effects of varying lanthanum (La) or aluminium (Al) concentrations (0-30 [micro]M) on corn (Zea mays L.) root elongation were examined in the presence and absence of (i) humic acid (HA) at 35 mg carbon (C)/L, or (ii) fulvic acid (FA) at 15 mg C/L,...