2.8 Covalent bonds join atoms into molecules though electron sharing
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What is a covalent bond?
In which two toms share one or more paits of outer-shell electrons
What is a molecule?
when 2 or more atoms held together by covalent bonds form a molecule
What justifies the need for addition of an electron?
the number of covalent bonds an atom can form is equal to the number of additional electrons needed to fill its outer shell.
What is valence?
the number of covalent bonds an atom can form
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