Why do oxygen atoms attract electrons so strongly?

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oxygen atom can form oxygen gas
oxygen atom can form hydrogen bond
oxygen atom has atomic number 8
oxygen atom forms 2 covalent bonds
oxygen atom has characteristic holds electrons tightly
oxygen atom has characteristic produces polar molecules
oxygen atom example of atom
oxygen atom component in oxygen
oxygen atom component in carbohydrates
oxygen atom component in lipids
oxygen atom component in nucleic acids
oxygen atom component in proteins