A part of the periodic table is shown. A portion of the fifteenth and sixteenth columns of the periodic table is shown. Column 15 from top to bottom reads seven nitrogen, 15 phosphorus, and 33 arsenic. Column 16 reads eight oxygen, 16 sulfur, and 34 selenium. Which of the following elements is more reactive than the others? Nitrogen (N) Oxygen (O) Selenium (Se) Sulfur (S)
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