Electronegativity tends to increase as you: A. go down a colunn of the periodic table B. go from left to right across the periodic table C. go toward the middle of the periodic table D. go from upper left-hand corner to the lower right- hand corner of the periodic table
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Electronegativity is a property that describes the tendency of an atom to attract electrons (or electron density) toward itself. An atom's electronegativity is affected by both its atomic number and the size of the atom. The higher its electronegativity, the more an element attracts electrons.
Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.
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