Vertical columns on the periodic

Which of the following os a true statement about the periodic table?A. periods form horizonal rows;groups form vertical columns
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2. asked by jill
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1.Electrons that occupy the highest energy level of an atom.: c Electrons that occupy the highest energy level of an atom. 2.
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1.Electrons that occupy the highest energy level of an atom.: a Electrons that occupy the highest energy level of an atom. 2.
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Vertical columns on the periodic table.
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What are the vertical columns of the periodic table called?
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Vertical columns on the periodic table are called - (choose all that apply)groups. periods. families. rows.
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Vertical columns on the periodic table are called - (choose all that applygroups. rows. periods. families.
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How are elements organized in a periodic table? * Alphabetically Chronologically in order of discovery By horizontal rows called
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How are elements organized in a periodic table? *Alphabetically Chronologically in order of discovery By horizontal rows called
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Use the periodic table to answer the question.An illustration shows the periodic table of elements with elements arranged in
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