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Here are the answers to 2020-2021 Additional Periodic Table Trend Homework.
1. Atomic size decreases as you go across a Period. Since the nuclear charge is increasing causing a greater pull to valence electrons (greater CF) the valence electron are closer (since they are on the outside of atom, they determine size of atom).
2. Aligned from smallest to largest Atomic radii, Ne, P, Cr, Ca, Cs