Within each (period) in the periodic table, elements have similar properties beacause they have the same number of valence electrons
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In the periodic table, the number of valence electrons in each element DECREASES from left to right across each period. ... Within each PERIOD in the periodic table, elements have similar properties because they have the same number of valence electrons.
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Atoms tend to be stable and nonreactive if they have 6 valence electrons. In the periodic table, the number of valence electrons in each element decreases from left to right across each period. ... elements have similar properties because they have the same number of valence electrons.
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