atomic number 67

Found in Anh - Anh (Wordnet)

Definition Noun : A trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds : This is the chemical element with the symbol Ho and atomic number 67. It is a part of the lanthanide series, is relatively soft and malleable, and is stable in dry air at room temperature. Its compounds are notable for their strong magnetic properties. Usage At...