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physical object > natural object > particle > element > column grouped element > transition metal > inner transition metal > rare Earth

rare Earth (lanthanide)
subject			fact

rare Earth	has filling orbital 4f
	has synonym lanthanide
	has definition Element with atomic number between 57 and 71 in the top row of the inner-transition elements of the periodic table
	is a kind of inner transition metal
column grouped element	has group a column number in the table of the elements
element	is a part of Universe
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge
	has mass
physical object	has location or center of gravity
	has angular momentum
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of rare Earth :

• cerium (5 facts)
• dysprosium (5 facts)
• erbium (5 facts)
• europium (5 facts)
• gadolinium (5 facts)
• holmium (4 facts)
• lanthanum (5 facts)
• lutetium (5 facts)
• neodymium (5 facts)
• praseodymium (4 facts)
• promethium (3 facts)
• samarium (5 facts)
• terbium (4 facts)
• thulium (4 facts)
• ytterbium (5 facts)

Next inner transition metal: actinide    Up: inner transition metal