Holmium is a chemical element; it has symbol Ho and atomic number 67. It is a rare-earth element and the eleventh member of the lanthanide series. It is a relatively soft, silvery, fairly …

钬（huǒ），是一种 镧系 金属元素，化学符号为Ho，原子序数67， 原子量 164.9， 元素 名来源于发现者的出生地。 钬熔点1474℃，沸点2600℃，相对密度8.79g/cm 3。 室温下钬为六方密堆 …

Holmium, chemical element, a rare-earth metal of the lanthanide series of the periodic table. Holmium is a moderately hard, silvery white metal that is relatively stable in air. It is a very …

Element Holmium (Ho), Group 19, Atomic Number 67, f-block, Mass 164.930. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Holmium is a bright, soft, silvery-white, rare earth metal that is both ductile and malleable. It does not react in dry air at normal temperatures, but rapidly oxidizes to a yellow oxide (Ho 2 O 3) in …

Holmium. Holmium is a chemical element with symbol Ho and atomic number 67. Classified as a lanthanide, Holmium is a solid at room temperature.

2021年10月14日 · Holmium atom is a lanthanoid atom and a f-block element atom. holmium is a mineral. An element of the rare earth family of metals. It has the atomic symbol Ho, atomic …

Holmium is a bright silver lustrous metal. It is soft and corrosion resistant element. At standard temperature and pressure, it is stable in dry air. It oxidizes quickly in moist air and high …

Holmium is one of the lanthanoids, commonly known as rare earth elements. However the term rare earth is a misnomer because some are not actually rare: holmium is twenty times more …

Holmium (pronunciation: HOHL-mee-em) is a silvery metal belonging to the group of lanthanides and represented by the chemical symbol Ho [1, 2]. It has one stable naturally occurring …