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Final answer:
Explanation of first ionization energy, atomic radius, and metal reactivity in periodic table elements.
Explanation:
First Ionization Energy: The order of increasing first ionization energy for the atoms F, Li, N, Rb is: Rb < Li < N < F. Rb has the lowest first ionization energy while F has the highest.
Atomic Radius: The order of increasing atomic radius for Li, Rb, N, F, I is: I < F < N < Rb < Li. Lithium has the smallest atomic radius, and Rb has the largest.
Reactivity: Metals like sodium easily lose their valence electrons, leading to the formation of stable cations. Soduim readily forms ions by losing its valence electron to participate in reactions.
Learn more about Periodic Table and Atomic Structure here:
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