Sagot :
Answer:
CESIOUM:
Cesium ion
PubChem CID 104967
Molecular Formula Cs+
Synonyms cesium cation cesium ion cesium(1+) caesium(1+) UNII-LCC4BG14DM More...
Molecular Weight 132.905452 g/mol
Dates Modify 2021-01-23 Create 2005-03-27
OXYGEN:
i don't know sorry
Explanation:
i am not sure with my answer but if you think its correct thx but if not sorry