MgO melts at a much higher temperature (2852 degrees Celsius) than NaF because Mg2+ is more positively charged than Na+ & O2- ion is smaller than the F-ion. report this answer. Updated on Monday, February 06 2012 at 05:03PM EST.
Lithium is used for long-term treatment of bipolar disorder. Do not stop taking lithium even when you feel better. Only your healthcare provider can determine the length of lithium treatment that is right for you. Missing doses of lithium may increase your risk for a relapse in your mood symptoms.
Lithium (from Greek: Î»Î¯Î¸Î¿Ï lithos, stone) is a chemical element with symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard conditions it is the lightest metal and the least dense solid element. Like all alkali metals, lithium is highly reactive and flammable. For this reason, it is typically stored in mineral oil.