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Na2O is Sodium Oxide.
No prefix is used if it is an ionic compound. If it is a binary molecular compound, the prefix mono- is not used in front of the name of the first element. For example, the ionic compound Na2O is sodium oxide, not disodium monoxide, and the molecular compound CO2 is carbon dioxide, not monocarbon dioxide.
Potassium bromate
Magnesium Bromide
The correct formula is K2Se. It is an ionic compound: potassium selenide.
Na2O is Sodium Oxide.
No prefix is used if it is an ionic compound. If it is a binary molecular compound, the prefix mono- is not used in front of the name of the first element. For example, the ionic compound Na2O is sodium oxide, not disodium monoxide, and the molecular compound CO2 is carbon dioxide, not monocarbon dioxide.
Potassium bromate
Magnesium Bromide
The correct name after IUPAC nomenclature is triberyllium dinitride.
Sodium Oxide
There is no compound k1 KI, with an uppercase letter "i" is potassium iodide
Na- sodium O- oxygen Na2O- Sodium oxide
The correct formula is K2Se. It is an ionic compound: potassium selenide.
Sodium Nitrate... Common names include "Chile saltpeter" or "Peru saltpeter"
The name for the ionic compound FeO is iron(II) oxide.
I think KCI ionic compound name is Potassium Chloride.