No element is acidic or basic. Compounds are.
When a solution has a pH below 7.0 is considered acidic while when is above 7.0 is basic.
The oxide ion itself is basic, but oxides of various elements may be acidic, basic, or amphoteric.
If one is acidic, and one is basic.
acidic because when alkali oxides are reacted with water they give a acid
acidic acidic acidic
acidic.
basic or acidic
its acidic
Acidic
acidic
acidic
acidic
Acidic.