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Question: The atomic number of an element is 11. Its oxide will be....

The atomic number of an element is 11. Its oxide will be.

A

Acidic

B

Basic

C

Acid and basic both

D

Neutral

Answer

Basic

Explanation

Solution

Atomic number 11→Na→Na2O\text{11} \rightarrow Na \rightarrow Na_{2}O

Na2O+H2O→2NaOH(base)Na_{2}O + H_{2}O \rightarrow \underset{(\text{base})}{2NaOH}