Answer :

Final answer:

BaO in the provided compounds contains a covalent bond, while the other options have ionic or mixed bonding types.


Explanation:

Covalent bonds:

  1. N₂O
  2. SiO₂

In the given options, BaO contains a covalent bond as it is formed between two nonmetals (Ba and O). The rest of the options contain ionic bonds or a mix of ionic and covalent bonds.


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