What is the bond formed when atoms share electrons?

Answer 1

A covalent bond forms when atoms share electrons.

When two atoms form a covalent bond, they share their valence electrons in order to achieve an octet (8 valence electrons), except for hydrogen which bonds to achieve a duet (2 valence electrons). Covalent bonding makes the atoms stable. Most covalent bonds form between nonmetallic atoms.

The diagram below shows a methane molecule #("CH"_4")#. Notice that the bonding of the hydrogen atoms to the carbon atom gives each hydrogen a duet of valence electrons and the carbon atom an octet of valence electrons.

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Answer 2

Caleb Adams

The bond formed when atoms share electrons is called a covalent bond.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.