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How is a covalent bond formed? give examples of covalent compounds

Found this off of google, "Example: Carbon dioxide molecule has one carbon atom with six valence electrons and two oxygen atom with four valence electrons. ... Therefore the atoms share two electrons each to form the oxygen molecule. Since two electron pairs are shared there is a double bond between the two oxygen atoms."

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Examples of compounds that contain only covalent bonds are methane (CH4), carbon monoxide (CO), and iodine monobromide (IBr). Covalent bonding between hydrogen atoms: Since each hydrogen atom has one electron, they are able to fill their outermost shells by sharing a pair of electrons through a covalent bond.

Explanation:

answer: option d : 3.85 units

step-by-step explanation: in the given figure the blue line is diameter   .the diameter is the blue line which equals 7.7 units.radius is half of diameter .radius = 7.7÷2=3.85 units.

option d is the right answer.

explanation:

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