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Which polyatomic ion contains the greatest number of oxygen atoms?

lex

wrote...

Posts: 30

Rep:

11 years ago

Which polyatomic ion contains the greatest number of oxygen atoms?

Which polyatomic ion contains the greatest number of oxygen atoms?
1. Acetate
2. Carbonate
3. Hydroxide
4. Peroxide

Read 2225 times

2 Replies

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Replies

Fisk71

wrote...

#1

11 years ago

Just look at their formulas.
Acetate has two oxygen atoms
Carbonate has three
Hydroxide has one
Peroxide has two.

Therefore, Carbonate has the most oxygen atoms.

soder253

wrote...

#2

11 years ago

1) Acetate/Etanoate - CH3COO- 2 oxygen atoms
2) Carbonate - CO3 2- 3 carbon atoms
3) Hydroxide - OH- 1 carbon atom
4) Peroxide - O2 2- 2 carbon atoms

Carbonate - CO3 2- has the most oxygen atoms
so 2) is your answer

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