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Periodicity in the ionization energy and balancing the equation.

1. Rank the following:

a. In order of increasing ionization energy: Na, Cs, I, and Cl
b. In order of increasing size (atomic radius): Sn, Xe, Rb, and Sr
c. In order of increasing ionic size: Mn2+, Zn2+, Mn4+, and Fe2+

2. Complete the following chemical reactions by writing the product(s) and balancing equations:

a. Ca(s) + H2O (l) -->
b. Na2O(s) + H2O (l) -->
c. SO3 (g) + H2O(l) -->

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