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Holmium Symbol Ho Atomic Number 67 Atomic Mass 164.9303 Family Lanthanide (Rare Earth Metal) Pronunciation HOL-me-um Overview Holmium occurs in Row 6 of the periodic table. The periodic table is a chart that shows how chemical elements are related to...

Holmium is a rare earth element, one of the elements found in Row 6 of the periodic table between Groups 2 and 3. Its atomic number is 67, its atomic mass is 164.9303, and its chemical symbol is Ho. Holmium is a silvery metal that is soft, ductile,...

Holmium's atomic number is 67, its atomic weight, 164.9303, and its chemical symbol, Ho. It is a relatively soft metal with a melting point of 1,461° C (2,661.8° F) and a boiling point of 2695° C (4,883° F). Credit for the discovery of...

Holmium (pronounced /ˈhoʊlmiəm/) is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a relatively soft and malleable silvery-white metallic element, which is stable in dry air at room temperature....