LEWIS DOT STRUCTURES , MOLECULAR SHAPES, AND ...

Example: if an ion has a –3 charge, add 3 more electrons to the total of valence electrons. 3. Total the number of valence electrons in the atoms to be combined. 4. Arrange the atoms to form a skeletal structure for the molecule. The central atom is always the least electronegative atom. (Hydrogen is never the central atom!) 5. ................
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