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Here is answers to 2018-2019 Review HW for Naming Molecular Compouds Lewis Dot Structure Percent Composition and Two Step Mole Calculations.
Part I
1. Metals, cations
2. Molecules
3. After boding, all elements want 8 valence electron around them except H (2e-), Be (4e-), B (6e-) and 3rd energy level and greater elements can exceed 8.
4a. share, a covalent bond, molecular, ΔEN < 1.7
4bi. cation ( )( )4bii. sea of free flowing valence electrons
5.Ions (a cation and anion).
Part II
a. C is central atom and 0 LP, 4 single bonds
b.