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Find the correct number of constituent elements for the given compounds:
Answer variants:
\(1\) - Zinc, \(4\) - Oxygen, \(1\) - Carbon
\(1\) - Carbon, \(2\) - Oxygen
\(2\) - Carbon, \(1\) - Oxygen
\(1\) - Sodium, \(1\) - Chloride
1. Sodium chloride -
 
2. Carbon dioxide -