Chapter 2: Atoms, Ions, and the Periodic Table

119. Elements within a vertical column of the periodic table are called a family or group. Ans: True. 120. A horizontal row of the periodic table is called a period. Ans: True. 121. A metalloid is an element that has physical properties similar to those of a metal, but chemical reactivity which more closely resembles a nonmetal. Ans: True. 122 ... ................
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