barium

caesium${\displaystyle \longleftarrow }$ 56 ${\displaystyle \longrightarrow }$lanthanum

The Simple English Wikipedia has an article on:

Barium

Pronunciation

• (UK) IPA ^(key): /ˈbɛərɪəm/

• Audio (UK)

  (file)

• Audio (US)

  (file)

• Hyphenation: bar‧i‧um

Noun

Singular barium

Plural none

1. An element with atomic number 56 and the symbol Ba.

   This rock has parts of barium on it.

This short entry needs someone to make it better. You can help Wiktionary by adding to it.