No more ionic bonds, and its terrible. This unit is over how covalent bonds bonds look. This can be done on a two dimensional plane, called a Lewis Dot Structure. The structure tells you what atoms have electrons and which atoms share electrons with other atoms.
The dots next to each elements tell the number of electrons that stay next to each element. The lines represent two electrons that are shared between elements. The total number of electrons in the structure have to equal the total number of valence electrons of the elements. The number of bonds needed can be found using a have, need, share method.
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