Period 2 element two make up all natural occurrence of lithium on Earth, although further isotopes have been synthesized. In ionic compounds, lithium loses an electron to become positively charged, forming the cation Li. Lithium is the first alkali metal in the periodic table, and the first metal of any kind in the periodic table. At standard temperature and pressure, lithium is a soft, silver-white, highly reactive metal. With a density of 0.564 g·cm, lithium is the lightest metal and the least dense solid element. Lithium is one of the few elements synthesized in the Big Bang, making it a primordial element. Lithium
Extraordinary assumptions and hypothetical conditions on a hypothetical condition only under certain additional more restrictive conditions, specifically These requirements are specified in All USPAP standards dealing with appraisal reporting require that any written and oral appraisal report clearly and accurately disclose all assumptions, extraordinary assumptions, hypothetical conditions, and limiting conditions used in the assignment. These same reporting standards require that the reporting of appraisal assignment results must "clearly and conspicuously" state all extraordinary assumptions and hypothetical conditions and state that their use might have affected the assignment results. Appraisal reports written where USPAP compliance is a requirement or assignment condition will usually be written with