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What type of elements form covalent bonds?

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Answered by GPT-5 mini AI
Covalent bonds typically form between nonmetal atoms — atoms with similar, relatively high electronegativities — that share electron pairs to achieve stable electron configurations.

Examples: H2, O2, N2, H2O, CH4, Cl2. If the two nonmetals have very similar electronegativities the bond is nonpolar covalent; if they differ moderately it is polar covalent. (Metalloids can also form covalent bonds with nonmetals.)