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 is in a class of drugs known as antimanic agents, which work by moderating the levels and activity of chemicals in the brain. Lithium has been used since the 1950s. The Food and Drug Administration (FDA) first approved lithium carbonate, which is the most common form of lithium, in 1970. Prescription lithium is typically compounded with other chemicals, which are designed to optimize its absorption by the body or its activity against protein kinase C (PKC).