Sodium Hydroxide
Sodium Hydroxide (NaOH) in solution is very strongly alkaline or basic. At even low concentrations it is dangerously corrosive to skin and eyes. The bond that binds the hydrogen (H) to the oxygen (O) is covalent. The sodium (Na) is bonded to the hydroxide part of the compound with an ionic bond.
Hydrogen is the chemical element with the atomic number 1. It is represented by the symbol H. Hydrogen is the lightest and most abundant chemical element, constituting 75% of the Universe's chemical elemental mass. Sodium is a metallic element with a symbol Na and atomic number 11. It is a soft, silvery-white metal and is a member of the alkali metals within group 1. It has only one stable isotope. Chemical equation for the formation of sodium hydroxide:2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g).
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