Steps/Answers:
Jot down the metal name.
Write the metal name ending in -idle.
Combine cation, annion names,
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Answer:
condensation is the answer
Explanation:
While atomic radii DECREASE across a Period, a row of the Period Table, from left to right as we face the Table, atomic radii INCREASE down a Group, a column of the Periodic Table, due to the shielding of the valence electrons by the closed valence shell(s) that intervenes between the nucleus and the valence, outermost electrons.