Atoms form compounds by forming either covalent or ionic bonds with atoms of other elements. A covalent bond occurs when atoms share valence electrons. For example, a water molecule ( H2O ) forms when two hydrogen atoms share their individual valence electrons with an oxygen atom
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Atoms form compounds by forming either covalent or ionic bonds with atoms of other elements. A covalent bond occurs when atoms share valence electrons. For example, a water molecule ( H2O ) forms when two hydrogen atoms share their individual valence electrons with an oxygen atom