erbium [Er]

Introduction

Also see lanthanide. 1843

Occurrence

• occurs with yttrium

Characteristics

• a metallic element of the rare-earth group

More general terms

• lanthanide (rare earth metal)

Additional terms

• periodic table

Database

• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=23980