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Problem: a. Arrange the following elements in order of decreasing first ionization energy starting with the highest.SCaFRbSib. Arrange the ions in order of increasing ionic radius starting with the smallest.O2-N3-Mg2+ F-Na+c. Arrange the following atoms in order of decreasing atomic size starting with the largest.CaRbSSiGeF

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Problem Details

a. Arrange the following elements in order of decreasing first ionization energy starting with the highest.

S
Ca
F
Rb
Si


b. Arrange the ions in order of increasing ionic radius starting with the smallest.

O2-
N3-
Mg2+ 
F-
Na+


c. Arrange the following atoms in order of decreasing atomic size starting with the largest.

Ca
Rb
S
Si
Ge
F

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Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends concept. If you need more Periodic Trends practice, you can also practice Periodic Trends practice problems.

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Based on our data, we think this problem is relevant for Professor Ozwald's class at NDSU.