Why you should ditch your denim at 53: Research suggests jeans should be left for younger generations. 1  Research is bad news for denim devotees like Jeremy Clarkson, 56. 2  Study also found most people spend up to five days looking for ideal fit. 3  Shoppers wait average of three years before buying another pair.
Ionic comes from ion as you might have guessed. An ion is a charged particle (either positive or negative), and ionic is the adjective meaning charged. An ionic bond is a chemical bond based on electrostatic attraction (the attraction of charges), and we generally associate it with the bonding of metals to non-metals.
Ionic compound. In chemistry, an ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. The compound is neutral overall, but consists of positively charged ions called cations and negatively charged ions called anions. These can be simple ions such as the sodium and chloride in sodium chloride, or polyatomic species such as the ammonium and carbonate ions in ammonium carbonate. Individual ions within an ionic compound usually have multiple nearest neig