thulium

erbium${\displaystyle \longleftarrow }$ 69 ${\displaystyle \longrightarrow }$ytterbium

The Simple English Wikipedia has an article on:

Thulium

Pronunciation

• enPR: thū'lēəm, IPA ^(key): /ˈθjuːliəm/; enPR: tho͞o'lēəm, IPA ^(key): /ˈθuːliəm/

• Audio (US)

  (file)

• Audio (US)

  (file)

Noun

Singular thulium

Plural none

1. (uncountable) Thulium is a metallic (meaning made of metal) element with an atomic number of 69 and symbol Tm.