I personally think that "There are more than 70 of them" and "Some are as large as planets" is the most unique.
Answer:
the answer is ionic
Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom. ... The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion). A brief treatment of ionic bonds follows
The spectator ions in the reaction between aqueous
and aqueous HCl would be
and
ions.
<h3>What are spectator ions?</h3>
Spectator ions are anions or cations that exist both as reactants and as products in a reaction. Their forms remain unchanged both in the reactants and in the products.
Aqueous
and aqueous HCl react according to the following equation:

Before the reaction,
and
existed in the reactants as
and HCl respectively. After the reaction,
and
exist as
in the product.
Thus, the spectator ions in this case are
and
ions because their forms did not change after the reaction.
More on spectator ions can be found here: brainly.com/question/28913274
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