True or false
(f) The ionization energy of Na2+ is significantly higher than Na+
because it takes more energy to remove the inner-shell electron. __________
(g) Atomic radius tends to decrease from top to bottom of a group because of the increase in the principle quantum number. __________
(h) Bromine, calcium and sodium are metallic elements because they are on the left side of the periodic table. __________
(i) Calcium, antimony, and silicon are metalloids that their properties fall between those of metals and those of nonmetals. __________
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