Study Guide: Academic Standard 8-3

g) Which is least dense? h) When Iodine becomes an ion, is the ion larger or smaller than the atom? i) When Tin (Sn) becomes an ion, is the ion larger or smaller than the atom? j) Highest shielding effect? k) Which one is a halogen? 3) Ca Sr Ba Mg . a) Most metallic? b) Least metallic? c) Lowest electronegativity? ................
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