en main group (n)
― SimilarTo ⟶
Weight: 1.0
en transition element Source: English Wiktionary
en main group (n)
― SimilarTo ⟶
Weight: 1.0
en lanthanide Source: English Wiktionary
en main group (n)
― SimilarTo ⟶
Weight: 1.0
en actinide Source: English Wiktionary